{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-27118", "tracking": { "current_release_date": "2026-03-21T18:48:10.695857Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-27118", "initial_release_date": "2026-02-19T15:39:44.505392Z", "revision_history": [ { "date": "2026-02-19T15:39:44.505392Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-02-19T15:39:50.352656Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-19T18:34:14.869697Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-02-19T18:34:16.833495Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-20T21:38:36.041560Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-02-20T21:38:39.398096Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-02-20T22:25:11.194418Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-02-20T22:25:15.827396Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-02-21T07:35:07.925727Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-02-21T14:14:49.784015Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-21T14:14:51.488258Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-02-21T17:46:21.192186Z", "number": "12", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (195).| References created (3).| CWES updated (1)." }, { "date": "2026-02-21T17:46:37.354377Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-02-23T22:39:49.499583Z", "number": "14", "summary": "References created (1)." }, { "date": "2026-02-23T22:39:52.540776Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-02-24T00:21:15.647179Z", "number": "16", "summary": "References created (1)." }, { "date": "2026-02-24T20:02:17.307041Z", "number": "17", "summary": "Unknown change." }, { "date": "2026-02-24T20:02:26.252620Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:42:32.601236Z", "number": "19", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-21T18:47:54.733658Z", "number": "20", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| References created (4).| CWES updated (1)." }, { "date": "2026-03-21T18:48:04.379626Z", "number": "21", "summary": "NCSC Score updated." } ], "status": "interim", "version": "21" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=0|<6.3.2", "product": { "name": "vers:unknown/>=0|<6.3.2", "product_id": "CSAFPID-5637493" } } ], "category": "product_name", "name": "@sveltejs/adapter-vercel" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<6.3.2", "product": { "name": "vers:unknown/<6.3.2", "product_id": "CSAFPID-5653679" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.103", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.103", "product_id": "CSAFPID-3780189" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.104", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.104", "product_id": "CSAFPID-3780190" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.107", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.107", "product_id": "CSAFPID-3780191" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.108", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.108", "product_id": "CSAFPID-3780192" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.113", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.113", "product_id": "CSAFPID-3780193" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.114", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.114", "product_id": "CSAFPID-3780194" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.115", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.115", "product_id": "CSAFPID-3780195" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.116", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.116", "product_id": "CSAFPID-3780196" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.117", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.117", "product_id": "CSAFPID-3780197" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.118", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.118", "product_id": "CSAFPID-3780198" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.119", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.119", "product_id": "CSAFPID-3780199" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.120", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.120", "product_id": "CSAFPID-3780200" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.121", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.121", "product_id": "CSAFPID-3780201" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.122", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.122", "product_id": "CSAFPID-3780202" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.123", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.123", "product_id": "CSAFPID-3780203" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.124", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.124", "product_id": "CSAFPID-3780204" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.125", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.125", "product_id": "CSAFPID-3780205" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.126", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.126", "product_id": "CSAFPID-3780206" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.127", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.127", "product_id": "CSAFPID-3780207" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.128", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.128", "product_id": "CSAFPID-3780208" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.129", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.129", "product_id": "CSAFPID-3780209" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.130", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.130", "product_id": "CSAFPID-3780210" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.131", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.131", "product_id": "CSAFPID-3780211" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.132", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.132", "product_id": "CSAFPID-3780212" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.133", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.133", "product_id": "CSAFPID-3780213" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.134", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.134", "product_id": "CSAFPID-3780214" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.135", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.135", "product_id": "CSAFPID-3780215" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.136", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.136", "product_id": "CSAFPID-3780216" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.137", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.137", "product_id": "CSAFPID-3780217" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.138", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.138", "product_id": "CSAFPID-3780218" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.139", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.139", "product_id": "CSAFPID-3780219" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.140", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.140", "product_id": "CSAFPID-3780220" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.141", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.141", "product_id": "CSAFPID-3780221" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.142", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.142", "product_id": "CSAFPID-3780222" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.143", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.143", "product_id": "CSAFPID-3780223" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.144", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.144", "product_id": "CSAFPID-3780224" } }, { "category": "product_version_range", "name": 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"vers:unknown/create-svelte@2.0.0-next.150", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.150", "product_id": "CSAFPID-3780230" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.151", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.151", "product_id": "CSAFPID-3780231" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.152", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.152", "product_id": "CSAFPID-3780232" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.153", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.153", "product_id": "CSAFPID-3780233" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.154", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.154", "product_id": "CSAFPID-3780234" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.155", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.155", "product_id": "CSAFPID-3780235" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.156", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.156", "product_id": "CSAFPID-3780236" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.157", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.157", "product_id": "CSAFPID-3780237" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.158", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.158", "product_id": "CSAFPID-3780238" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.159", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.159", "product_id": "CSAFPID-3780239" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.160", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.160", "product_id": "CSAFPID-3780240" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.161", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.161", "product_id": "CSAFPID-3780241" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.162", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.162", "product_id": "CSAFPID-3780242" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.163", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.163", "product_id": "CSAFPID-3780243" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.164", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.164", "product_id": "CSAFPID-3780244" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.165", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.165", "product_id": "CSAFPID-3780245" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.166", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.166", "product_id": "CSAFPID-3780246" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.167", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.167", "product_id": "CSAFPID-3780247" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.168", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.168", "product_id": "CSAFPID-3780248" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.169", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.169", "product_id": "CSAFPID-3780249" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.170", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.170", "product_id": "CSAFPID-3780250" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.171", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.171", "product_id": "CSAFPID-3780251" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.172", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.172", "product_id": "CSAFPID-3780252" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.173", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.173", "product_id": "CSAFPID-3780253" } }, { "category": "product_version_range", "name": "vers:unknown/create-svelte@2.0.0-next.174", "product": { "name": "vers:unknown/create-svelte@2.0.0-next.174", "product_id": "CSAFPID-3780254" } }, { "category": "product_version_range", "name": 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"product_version_range", "name": "vers:unknown/svelte-migrate@1.2.0", "product": { "name": "vers:unknown/svelte-migrate@1.2.0", "product_id": "CSAFPID-3780375" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.1", "product": { "name": "vers:unknown/svelte-migrate@1.2.1", "product_id": "CSAFPID-3780376" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.2", "product": { "name": "vers:unknown/svelte-migrate@1.2.2", "product_id": "CSAFPID-3780377" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.3", "product": { "name": "vers:unknown/svelte-migrate@1.2.3", "product_id": "CSAFPID-3780378" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.4", "product": { "name": "vers:unknown/svelte-migrate@1.2.4", "product_id": "CSAFPID-3780379" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.5", "product": { "name": "vers:unknown/svelte-migrate@1.2.5", "product_id": "CSAFPID-3780380" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.6", "product": { "name": "vers:unknown/svelte-migrate@1.2.6", "product_id": "CSAFPID-3780381" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.7", "product": { "name": "vers:unknown/svelte-migrate@1.2.7", "product_id": "CSAFPID-3780382" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.2.8", "product": { "name": "vers:unknown/svelte-migrate@1.2.8", "product_id": "CSAFPID-3780383" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.0", "product": { "name": "vers:unknown/svelte-migrate@1.3.0", "product_id": "CSAFPID-3780384" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.1", "product": { "name": "vers:unknown/svelte-migrate@1.3.1", "product_id": "CSAFPID-3780385" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.2", "product": { "name": "vers:unknown/svelte-migrate@1.3.2", "product_id": "CSAFPID-3780386" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.3", "product": { "name": "vers:unknown/svelte-migrate@1.3.3", "product_id": "CSAFPID-3780387" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.4", "product": { "name": "vers:unknown/svelte-migrate@1.3.4", "product_id": "CSAFPID-3780388" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.5", "product": { "name": "vers:unknown/svelte-migrate@1.3.5", "product_id": "CSAFPID-3780389" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.6", "product": { "name": "vers:unknown/svelte-migrate@1.3.6", "product_id": "CSAFPID-3780390" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.7", "product": { "name": "vers:unknown/svelte-migrate@1.3.7", "product_id": "CSAFPID-3780391" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.3.8", "product": { "name": "vers:unknown/svelte-migrate@1.3.8", "product_id": "CSAFPID-3780392" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.4.0", "product": { "name": "vers:unknown/svelte-migrate@1.4.0", "product_id": "CSAFPID-3780393" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.4.1", "product": { "name": "vers:unknown/svelte-migrate@1.4.1", "product_id": "CSAFPID-3780394" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.4.2", "product": { "name": "vers:unknown/svelte-migrate@1.4.2", "product_id": "CSAFPID-3780395" } }, { "category": "product_version_range", "name": "vers:unknown/svelte-migrate@1.4.3", "product": { "name": "vers:unknown/svelte-migrate@1.4.3", "product_id": "CSAFPID-3780396" } } ], "category": "product_name", "name": "kit" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/6.3.2", "product": { "name": "vers:unknown/6.3.2", "product_id": "CSAFPID-5888541" } }, { "category": "product_version_range", "name": "vers:unknown/<6.3.2", "product": { "name": "vers:unknown/<6.3.2", "product_id": "CSAFPID-5888542" } } ], "category": "product_name", "name": "npm/@sveltejs/adapter-vercel" } ], "category": "vendor", "name": "sveltejs" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27118", "cwe": { "id": "CWE-346", "name": "Origin Validation Error" }, "notes": [ { "category": "description", "text": "Versions of `@sveltejs/adapter-vercel` prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users.\n\nSuccessful exploitation requires a victim to visit an attacker-controlled link while authenticated.\n\nExisting deployments are protected by Vercel's WAF, but users should upgrade as soon as possible.", "title": "github - https://github.com/advisories/GHSA-9pq4-5hcf-288c" }, { "category": "description", "text": "Versions of `@sveltejs/adapter-vercel` prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users.\n\nSuccessful exploitation requires a victim to visit an attacker-controlled link while authenticated.\n\nExisting deployments are protected by Vercel's WAF, but users should upgrade as soon as possible.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-9pq4-5hcf-288c.json?alt=media" }, { "category": "description", "text": "SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Versions of @sveltejs/adapter-vercel prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users. Successful exploitation requires a victim to visit an attacker-controlled link while authenticated. Existing deployments are protected by Vercel's WAF, but users should upgrade as soon as possible. This vulnerability is fixed in 6.3.2.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27118" }, { "category": "description", "text": "SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Versions of @sveltejs/adapter-vercel prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users. Successful exploitation requires a victim to visit an attacker-controlled link while authenticated. Existing deployments are protected by Vercel's WAF, but users should upgrade as soon as possible. This vulnerability is fixed in 6.3.2.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27118" }, { "category": "description", "text": "SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Versions of @sveltejs/adapter-vercel prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users. Successful exploitation requires a victim to visit an attacker-controlled link while authenticated. Existing deployments are protected by Vercel's WAF, but users should upgrade as soon as possible. This vulnerability is fixed in 6.3.2.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27118.json?alt=media" }, { "category": "description", "text": "Versions of `@sveltejs/adapter-vercel` prior to 6.3.2 are vulnerable to cache poisoning. An internal query parameter intended for Incremental Static Regeneration (ISR) is accessible on all routes, allowing an attacker to cause sensitive user-specific responses to be cached and served to other users.\n\nSuccessful exploitation requires a victim to visit an attacker-controlled link while authenticated.\n\nExisting deployments are protected by Vercel's WAF, but users should upgrade as soon as possible.", "title": "gitlab - https://gitlab.com/api/v4/projects/25847700/repository/files/npm%2F@sveltejs%2Fadapter-vercel%2FCVE-2026-27118.yml/raw" }, { "category": "other", "text": "0.00025", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "title": "CVSSV4" }, { "category": "other", "text": "5.3", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.3", "title": "NCSC Score" }, { "category": "other", "text": "Is related to CWE-346 (Origin Validation Error)", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The value of the most recent CVSS (V3) score, The value of the most recent EPSS score", "title": "NCSC Score top decreasing factors" } ], "product_status": { "fixed": [ "CSAFPID-5888541" ], "known_affected": [ "CSAFPID-5637493", "CSAFPID-5653679", "CSAFPID-3780189", "CSAFPID-3780190", "CSAFPID-3780191", "CSAFPID-3780192", "CSAFPID-3780193", "CSAFPID-3780194", "CSAFPID-3780195", "CSAFPID-3780196", "CSAFPID-3780197", "CSAFPID-3780198", "CSAFPID-3780199", "CSAFPID-3780200", "CSAFPID-3780201", "CSAFPID-3780202", "CSAFPID-3780203", "CSAFPID-3780204", "CSAFPID-3780205", "CSAFPID-3780206", "CSAFPID-3780207", "CSAFPID-3780208", "CSAFPID-3780209", "CSAFPID-3780210", "CSAFPID-3780211", "CSAFPID-3780212", "CSAFPID-3780213", "CSAFPID-3780214", "CSAFPID-3780215", "CSAFPID-3780216", "CSAFPID-3780217", "CSAFPID-3780218", "CSAFPID-3780219", "CSAFPID-3780220", "CSAFPID-3780221", "CSAFPID-3780222", "CSAFPID-3780223", "CSAFPID-3780224", "CSAFPID-3780225", "CSAFPID-3780226", "CSAFPID-3780227", "CSAFPID-3780228", "CSAFPID-3780229", "CSAFPID-3780230", "CSAFPID-3780231", "CSAFPID-3780232", "CSAFPID-3780233", "CSAFPID-3780234", "CSAFPID-3780235", "CSAFPID-3780236", "CSAFPID-3780237", "CSAFPID-3780238", "CSAFPID-3780239", "CSAFPID-3780240", "CSAFPID-3780241", "CSAFPID-3780242", "CSAFPID-3780243", "CSAFPID-3780244", "CSAFPID-3780245", "CSAFPID-3780246", "CSAFPID-3780247", "CSAFPID-3780248", "CSAFPID-3780249", "CSAFPID-3780250", "CSAFPID-3780251", "CSAFPID-3780252", "CSAFPID-3780253", "CSAFPID-3780254", "CSAFPID-3780255", "CSAFPID-3780256", "CSAFPID-3780257", "CSAFPID-3780258", "CSAFPID-3780259", "CSAFPID-3780260", "CSAFPID-3780261", "CSAFPID-3780262", "CSAFPID-3780263", "CSAFPID-3780264", "CSAFPID-3780265", "CSAFPID-3780266", "CSAFPID-3780267", "CSAFPID-3780268", "CSAFPID-3780269", "CSAFPID-3780270", "CSAFPID-3780271", "CSAFPID-3780272", "CSAFPID-3780273", "CSAFPID-3780274", "CSAFPID-3780275", "CSAFPID-3780276", "CSAFPID-3780277", "CSAFPID-3780278", "CSAFPID-3780279", "CSAFPID-3780280", "CSAFPID-3780281", "CSAFPID-3780282", "CSAFPID-3780283", "CSAFPID-3780284", "CSAFPID-3780285", "CSAFPID-3780286", "CSAFPID-3780287", "CSAFPID-3780288", "CSAFPID-3780289", "CSAFPID-3780290", "CSAFPID-3780291", "CSAFPID-3780292", "CSAFPID-3780293", "CSAFPID-3780294", "CSAFPID-3780295", "CSAFPID-3780296", "CSAFPID-3780297", "CSAFPID-3780298", "CSAFPID-3780299", "CSAFPID-3780300", "CSAFPID-3780301", "CSAFPID-3780302", "CSAFPID-3780303", "CSAFPID-3780304", "CSAFPID-3780305", "CSAFPID-3780306", "CSAFPID-3780307", "CSAFPID-3780308", "CSAFPID-3780309", "CSAFPID-3780310", "CSAFPID-3780311", "CSAFPID-3780312", "CSAFPID-3780313", "CSAFPID-3780314", "CSAFPID-3780315", "CSAFPID-3780316", "CSAFPID-3780317", "CSAFPID-3780318", "CSAFPID-3780319", "CSAFPID-3780320", "CSAFPID-3780321", "CSAFPID-3780322", "CSAFPID-3780323", "CSAFPID-3780324", "CSAFPID-3780325", "CSAFPID-3780326", "CSAFPID-3780327", "CSAFPID-3780328", "CSAFPID-3780329", "CSAFPID-3780330", "CSAFPID-3780331", "CSAFPID-3780332", "CSAFPID-3780333", "CSAFPID-3780334", "CSAFPID-3780335", "CSAFPID-3780336", "CSAFPID-3780337", "CSAFPID-3780338", "CSAFPID-3780339", "CSAFPID-3780340", "CSAFPID-3780354", "CSAFPID-3780355", "CSAFPID-3780356", "CSAFPID-3780357", "CSAFPID-3780358", "CSAFPID-3780359", "CSAFPID-3780360", "CSAFPID-3780361", "CSAFPID-3780362", "CSAFPID-3780363", "CSAFPID-3780364", "CSAFPID-3780365", "CSAFPID-3780366", "CSAFPID-3780367", "CSAFPID-3780368", "CSAFPID-3780369", "CSAFPID-3780370", "CSAFPID-3780371", "CSAFPID-3780372", "CSAFPID-3780373", "CSAFPID-3780374", "CSAFPID-3780375", "CSAFPID-3780376", "CSAFPID-3780377", "CSAFPID-3780378", "CSAFPID-3780379", "CSAFPID-3780380", "CSAFPID-3780381", "CSAFPID-3780382", "CSAFPID-3780383", "CSAFPID-3780384", "CSAFPID-3780385", "CSAFPID-3780386", "CSAFPID-3780387", "CSAFPID-3780388", "CSAFPID-3780389", "CSAFPID-3780390", "CSAFPID-3780391", "CSAFPID-3780392", "CSAFPID-3780393", "CSAFPID-3780394", "CSAFPID-3780395", "CSAFPID-3780396", "CSAFPID-5888542" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-9pq4-5hcf-288c" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-9pq4-5hcf-288c" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-9pq4-5hcf-288c.json?alt=media" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27118" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27118.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27118" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27118" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27118" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27118.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - gitlab", "url": "https://gitlab.com/api/v4/projects/25847700/repository/files/npm%2F@sveltejs%2Fadapter-vercel%2FCVE-2026-27118.yml/raw" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv", "url": "https://github.com/sveltejs/kit/security/advisories/GHSA-9pq4-5hcf-288c" }, { "category": "external", "summary": "Reference - github; gitlab", "url": "https://github.com/advisories/GHSA-9pq4-5hcf-288c" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27118.json" }, { "category": "external", "summary": "Reference - github; gitlab; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27118" }, { "category": "external", "summary": "Reference - gitlab", "url": "https://github.com/sveltejs/kit" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-3780189", "CSAFPID-3780190", "CSAFPID-3780191", "CSAFPID-3780192", "CSAFPID-3780193", "CSAFPID-3780194", "CSAFPID-3780195", "CSAFPID-3780196", "CSAFPID-3780197", "CSAFPID-3780198", "CSAFPID-3780199", "CSAFPID-3780200", "CSAFPID-3780201", "CSAFPID-3780202", "CSAFPID-3780203", "CSAFPID-3780204", "CSAFPID-3780205", "CSAFPID-3780206", "CSAFPID-3780207", "CSAFPID-3780208", "CSAFPID-3780209", "CSAFPID-3780210", "CSAFPID-3780211", "CSAFPID-3780212", "CSAFPID-3780213", "CSAFPID-3780214", "CSAFPID-3780215", "CSAFPID-3780216", "CSAFPID-3780217", "CSAFPID-3780218", "CSAFPID-3780219", "CSAFPID-3780220", "CSAFPID-3780221", "CSAFPID-3780222", "CSAFPID-3780223", "CSAFPID-3780224", "CSAFPID-3780225", "CSAFPID-3780226", "CSAFPID-3780227", "CSAFPID-3780228", "CSAFPID-3780229", "CSAFPID-3780230", "CSAFPID-3780231", "CSAFPID-3780232", "CSAFPID-3780233", "CSAFPID-3780234", "CSAFPID-3780235", "CSAFPID-3780236", "CSAFPID-3780237", "CSAFPID-3780238", "CSAFPID-3780239", "CSAFPID-3780240", "CSAFPID-3780241", "CSAFPID-3780242", "CSAFPID-3780243", "CSAFPID-3780244", "CSAFPID-3780245", "CSAFPID-3780246", "CSAFPID-3780247", "CSAFPID-3780248", "CSAFPID-3780249", "CSAFPID-3780250", "CSAFPID-3780251", "CSAFPID-3780252", "CSAFPID-3780253", "CSAFPID-3780254", "CSAFPID-3780255", "CSAFPID-3780256", "CSAFPID-3780257", "CSAFPID-3780258", "CSAFPID-3780259", "CSAFPID-3780260", "CSAFPID-3780261", "CSAFPID-3780262", "CSAFPID-3780263", "CSAFPID-3780264", "CSAFPID-3780265", "CSAFPID-3780266", "CSAFPID-3780267", "CSAFPID-3780268", "CSAFPID-3780269", "CSAFPID-3780270", "CSAFPID-3780271", "CSAFPID-3780272", "CSAFPID-3780273", "CSAFPID-3780274", "CSAFPID-3780275", "CSAFPID-3780276", "CSAFPID-3780277", "CSAFPID-3780278", "CSAFPID-3780279", "CSAFPID-3780280", "CSAFPID-3780281", "CSAFPID-3780282", "CSAFPID-3780283", "CSAFPID-3780284", "CSAFPID-3780285", "CSAFPID-3780286", "CSAFPID-3780287", "CSAFPID-3780288", "CSAFPID-3780289", "CSAFPID-3780290", "CSAFPID-3780291", "CSAFPID-3780292", "CSAFPID-3780293", "CSAFPID-3780294", "CSAFPID-3780295", "CSAFPID-3780296", "CSAFPID-3780297", "CSAFPID-3780298", "CSAFPID-3780299", "CSAFPID-3780300", "CSAFPID-3780301", "CSAFPID-3780302", "CSAFPID-3780303", "CSAFPID-3780304", "CSAFPID-3780305", "CSAFPID-3780306", "CSAFPID-3780307", "CSAFPID-3780308", "CSAFPID-3780309", "CSAFPID-3780310", "CSAFPID-3780311", "CSAFPID-3780312", "CSAFPID-3780313", "CSAFPID-3780314", "CSAFPID-3780315", "CSAFPID-3780316", "CSAFPID-3780317", "CSAFPID-3780318", "CSAFPID-3780319", "CSAFPID-3780320", "CSAFPID-3780321", "CSAFPID-3780322", "CSAFPID-3780323", "CSAFPID-3780324", "CSAFPID-3780325", "CSAFPID-3780326", "CSAFPID-3780327", "CSAFPID-3780328", "CSAFPID-3780329", "CSAFPID-3780330", "CSAFPID-3780331", "CSAFPID-3780332", "CSAFPID-3780333", "CSAFPID-3780334", "CSAFPID-3780335", "CSAFPID-3780336", "CSAFPID-3780337", "CSAFPID-3780338", "CSAFPID-3780339", "CSAFPID-3780340", "CSAFPID-3780354", "CSAFPID-3780355", "CSAFPID-3780356", "CSAFPID-3780357", "CSAFPID-3780358", "CSAFPID-3780359", "CSAFPID-3780360", "CSAFPID-3780361", "CSAFPID-3780362", "CSAFPID-3780363", "CSAFPID-3780364", "CSAFPID-3780365", "CSAFPID-3780366", "CSAFPID-3780367", "CSAFPID-3780368", "CSAFPID-3780369", "CSAFPID-3780370", "CSAFPID-3780371", "CSAFPID-3780372", "CSAFPID-3780373", "CSAFPID-3780374", "CSAFPID-3780375", "CSAFPID-3780376", "CSAFPID-3780377", "CSAFPID-3780378", "CSAFPID-3780379", "CSAFPID-3780380", "CSAFPID-3780381", "CSAFPID-3780382", "CSAFPID-3780383", "CSAFPID-3780384", "CSAFPID-3780385", "CSAFPID-3780386", "CSAFPID-3780387", "CSAFPID-3780388", "CSAFPID-3780389", "CSAFPID-3780390", "CSAFPID-3780391", "CSAFPID-3780392", "CSAFPID-3780393", "CSAFPID-3780394", "CSAFPID-3780395", "CSAFPID-3780396", "CSAFPID-5637493", "CSAFPID-5653679", "CSAFPID-5888542" ] } ], "title": "CVE-2026-27118" } ] }