{ "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-2026-26952", "tracking": { "current_release_date": "2026-03-23T03:32:13.601845Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-26952", "initial_release_date": "2026-02-19T23:25:36.307502Z", "revision_history": [ { "date": "2026-02-19T23:25:36.307502Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-02-19T23:25:45.571877Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-19T23:38:52.103579Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (3).| CWES updated (1)." }, { "date": "2026-02-19T23:38:57.060079Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-20T07:35:20.676593Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-02-20T14:13:34.830730Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-20T14:13:37.107846Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-02-20T16:53:44.347972Z", "number": "8", "summary": "Unknown change." }, { "date": "2026-02-20T16:53:46.151548Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-02-26T03:21:46.231061Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (108).| References created (5).| CWES updated (1)." }, { "date": "2026-02-26T03:21:58.605657Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-03-12T17:25:02.123212Z", "number": "12", "summary": "Products created (1).| Product Identifiers created (1)." }, { "date": "2026-03-12T17:25:08.488708Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:43:02.275357Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:43:05.135265Z", "number": "15", "summary": "NCSC Score updated." } ], "status": "interim", "version": "15" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<6.4.1", "product": { "name": "vers:unknown/<6.4.1", "product_id": "CSAFPID-5810519", "product_identification_helper": { "cpe": "cpe:2.3:a:pi-hole:web_interface:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "Web Interface" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/0.1", "product": { "name": "vers:unknown/0.1", "product_id": "CSAFPID-3777207" } }, { "category": "product_version_range", "name": "vers:unknown/1.0", "product": { "name": "vers:unknown/1.0", "product_id": "CSAFPID-3777208" } }, { "category": "product_version_range", "name": "vers:unknown/1.1", "product": { "name": "vers:unknown/1.1", "product_id": "CSAFPID-3777209" } }, { "category": "product_version_range", "name": "vers:unknown/1.2", "product": { "name": "vers:unknown/1.2", "product_id": "CSAFPID-3777210" } }, { "category": "product_version_range", "name": "vers:unknown/1.2.1", "product": { "name": "vers:unknown/1.2.1", "product_id": "CSAFPID-3777211" } }, { "category": "product_version_range", "name": "vers:unknown/1.3", "product": { "name": "vers:unknown/1.3", "product_id": "CSAFPID-3777212" } }, { "category": "product_version_range", "name": "vers:unknown/2.0.0", "product": { "name": "vers:unknown/2.0.0", "product_id": "CSAFPID-3777213" } }, { "category": "product_version_range", "name": "vers:unknown/2.1.0", "product": { "name": "vers:unknown/2.1.0", "product_id": "CSAFPID-3777214" } }, { "category": "product_version_range", "name": "vers:unknown/2.1.1", "product": { "name": "vers:unknown/2.1.1", "product_id": "CSAFPID-3777215" } }, { "category": "product_version_range", "name": "vers:unknown/<6.4.1", "product": { "name": "vers:unknown/<6.4.1", "product_id": "CSAFPID-5642554" } }, { "category": "product_version_range", "name": "vers:unknown/v1.0.0", "product": { "name": "vers:unknown/v1.0.0", "product_id": "CSAFPID-3777216" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.0", "product": { "name": "vers:unknown/v1.1.0", "product_id": "CSAFPID-3777217" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.1", "product": { "name": "vers:unknown/v1.1.1", "product_id": "CSAFPID-3777218" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.2", "product": { "name": "vers:unknown/v1.1.2", "product_id": "CSAFPID-3777219" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.3", "product": { "name": "vers:unknown/v1.1.3", "product_id": "CSAFPID-3777220" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.4", "product": { "name": "vers:unknown/v1.1.4", "product_id": "CSAFPID-3777221" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.5", "product": { "name": "vers:unknown/v1.1.5", "product_id": "CSAFPID-3777222" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.6", "product": { "name": "vers:unknown/v1.1.6", "product_id": "CSAFPID-3777223" } }, { "category": "product_version_range", "name": "vers:unknown/v1.1.7", "product": { "name": "vers:unknown/v1.1.7", "product_id": "CSAFPID-3777224" } }, { "category": "product_version_range", "name": "vers:unknown/v1.2", "product": { "name": "vers:unknown/v1.2", "product_id": "CSAFPID-3777225" } }, { "category": "product_version_range", "name": "vers:unknown/v1.3", "product": { "name": "vers:unknown/v1.3", "product_id": "CSAFPID-3777226" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4", "product": { "name": "vers:unknown/v1.4", "product_id": "CSAFPID-3777227" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.1", "product": { "name": "vers:unknown/v1.4.1", "product_id": "CSAFPID-3777228" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.2", "product": { "name": "vers:unknown/v1.4.2", "product_id": "CSAFPID-3777229" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.3", "product": { "name": "vers:unknown/v1.4.3", "product_id": "CSAFPID-3777230" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.3.1", "product": { "name": "vers:unknown/v1.4.3.1", "product_id": "CSAFPID-3777231" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.3.1a", "product": { "name": "vers:unknown/v1.4.3.1a", "product_id": "CSAFPID-3777232" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.4", "product": { "name": "vers:unknown/v1.4.4", "product_id": "CSAFPID-3777233" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.4.1", "product": { "name": "vers:unknown/v1.4.4.1", "product_id": "CSAFPID-3777234" } }, { "category": "product_version_range", "name": "vers:unknown/v1.4.4.2", "product": { "name": "vers:unknown/v1.4.4.2", "product_id": "CSAFPID-3777235" } }, { "category": "product_version_range", "name": "vers:unknown/v2.0", "product": { "name": "vers:unknown/v2.0", "product_id": "CSAFPID-3777236" } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.0", "product": { "name": "vers:unknown/v2.0.0", "product_id": "CSAFPID-3777237" } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.1", "product": { "name": "vers:unknown/v2.0.1", "product_id": "CSAFPID-3777238" } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.2", "product": { "name": "vers:unknown/v2.0.2", "product_id": "CSAFPID-3777239" } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.3", "product": { "name": "vers:unknown/v2.0.3", "product_id": "CSAFPID-3777240" } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.4", "product": { "name": "vers:unknown/v2.0.4", "product_id": "CSAFPID-3777241" } }, { "category": "product_version_range", "name": "vers:unknown/v2.0.5", "product": { "name": "vers:unknown/v2.0.5", "product_id": "CSAFPID-3777242" } }, { "category": "product_version_range", "name": "vers:unknown/v2.1", "product": { "name": "vers:unknown/v2.1", "product_id": "CSAFPID-3777243" } }, { "category": "product_version_range", "name": "vers:unknown/v2.1.0-alpha-1", "product": { "name": "vers:unknown/v2.1.0-alpha-1", "product_id": "CSAFPID-3777244" } }, { "category": "product_version_range", "name": "vers:unknown/v2.1.0-beta", "product": { "name": "vers:unknown/v2.1.0-beta", "product_id": "CSAFPID-3777245" } }, { "category": "product_version_range", "name": "vers:unknown/v2.1.2", "product": { "name": "vers:unknown/v2.1.2", "product_id": "CSAFPID-3777246" } }, { "category": "product_version_range", "name": "vers:unknown/v2.2", "product": { "name": "vers:unknown/v2.2", "product_id": "CSAFPID-3777247" } }, { "category": "product_version_range", "name": "vers:unknown/v2.2.0", "product": { "name": "vers:unknown/v2.2.0", "product_id": "CSAFPID-3777248" } }, { "category": "product_version_range", "name": "vers:unknown/v2.3", "product": { "name": "vers:unknown/v2.3", "product_id": "CSAFPID-3777249" } }, { "category": "product_version_range", "name": "vers:unknown/v2.3.1", "product": { "name": "vers:unknown/v2.3.1", "product_id": "CSAFPID-3777250" } }, { "category": "product_version_range", "name": "vers:unknown/v2.4", "product": { "name": "vers:unknown/v2.4", "product_id": "CSAFPID-3777251" } }, { "category": "product_version_range", "name": "vers:unknown/v2.5", "product": { "name": "vers:unknown/v2.5", "product_id": "CSAFPID-3777252" } }, { "category": "product_version_range", "name": "vers:unknown/v2.5.1", "product": { "name": "vers:unknown/v2.5.1", "product_id": "CSAFPID-3777253" } }, { "category": "product_version_range", "name": "vers:unknown/v2.5.2", "product": { "name": "vers:unknown/v2.5.2", "product_id": "CSAFPID-3777254" } }, { "category": "product_version_range", "name": "vers:unknown/v3.0", "product": { "name": "vers:unknown/v3.0", "product_id": "CSAFPID-3777255" } }, { "category": "product_version_range", "name": "vers:unknown/v3.0.1", "product": { "name": "vers:unknown/v3.0.1", "product_id": "CSAFPID-3777256" } }, { "category": "product_version_range", "name": "vers:unknown/v3.0.1a", "product": { "name": "vers:unknown/v3.0.1a", "product_id": "CSAFPID-3777257" } }, { "category": "product_version_range", "name": "vers:unknown/v3.1", "product": { "name": "vers:unknown/v3.1", "product_id": "CSAFPID-3777258" } }, { "category": "product_version_range", "name": "vers:unknown/v3.2", "product": { "name": "vers:unknown/v3.2", "product_id": "CSAFPID-3777259" } }, { "category": "product_version_range", "name": "vers:unknown/v3.2.1", "product": { "name": "vers:unknown/v3.2.1", "product_id": "CSAFPID-3777260" } }, { "category": "product_version_range", "name": "vers:unknown/v3.3", "product": { "name": "vers:unknown/v3.3", "product_id": "CSAFPID-3777261" } }, { "category": "product_version_range", "name": "vers:unknown/v4.0", "product": { "name": "vers:unknown/v4.0", "product_id": "CSAFPID-3869867" } }, { "category": "product_version_range", "name": "vers:unknown/v4.1", "product": { "name": "vers:unknown/v4.1", "product_id": "CSAFPID-3869868" } }, { "category": "product_version_range", "name": "vers:unknown/v4.1.1", "product": { "name": "vers:unknown/v4.1.1", "product_id": "CSAFPID-3869869" } }, { "category": "product_version_range", "name": "vers:unknown/v4.2", "product": { "name": "vers:unknown/v4.2", "product_id": "CSAFPID-3869870" } }, { "category": "product_version_range", "name": "vers:unknown/v4.3", "product": { "name": "vers:unknown/v4.3", "product_id": "CSAFPID-3869871" } }, { "category": "product_version_range", "name": "vers:unknown/v4.3.2", "product": { "name": "vers:unknown/v4.3.2", "product_id": "CSAFPID-3869872" } }, { "category": "product_version_range", "name": "vers:unknown/v4.3.3", "product": { "name": "vers:unknown/v4.3.3", "product_id": "CSAFPID-3869873" } }, { "category": "product_version_range", "name": "vers:unknown/v5.0", "product": { "name": "vers:unknown/v5.0", "product_id": "CSAFPID-3869874" } }, { "category": "product_version_range", "name": "vers:unknown/v5.1", "product": { "name": "vers:unknown/v5.1", "product_id": "CSAFPID-3869875" } }, { "category": "product_version_range", "name": "vers:unknown/v5.1.1", "product": { "name": "vers:unknown/v5.1.1", "product_id": "CSAFPID-3869876" } }, { "category": "product_version_range", "name": "vers:unknown/v5.10", "product": { "name": "vers:unknown/v5.10", "product_id": "CSAFPID-3869877" } }, { "category": "product_version_range", "name": "vers:unknown/v5.10.1", "product": { "name": "vers:unknown/v5.10.1", "product_id": "CSAFPID-3869878" } }, { "category": "product_version_range", "name": "vers:unknown/v5.11", "product": { "name": "vers:unknown/v5.11", "product_id": "CSAFPID-3869879" } }, { "category": "product_version_range", "name": "vers:unknown/v5.12", "product": { "name": "vers:unknown/v5.12", "product_id": "CSAFPID-3869880" } }, { "category": "product_version_range", "name": "vers:unknown/v5.13", "product": { "name": "vers:unknown/v5.13", "product_id": "CSAFPID-3869881" } }, { "category": "product_version_range", "name": "vers:unknown/v5.14", "product": { "name": "vers:unknown/v5.14", "product_id": "CSAFPID-3869882" } }, { "category": "product_version_range", "name": "vers:unknown/v5.14.1", "product": { "name": "vers:unknown/v5.14.1", "product_id": "CSAFPID-3869883" } }, { "category": "product_version_range", "name": "vers:unknown/v5.14.2", "product": { "name": "vers:unknown/v5.14.2", "product_id": "CSAFPID-3869884" } }, { "category": "product_version_range", "name": "vers:unknown/v5.15", "product": { "name": "vers:unknown/v5.15", "product_id": "CSAFPID-3869885" } }, { "category": "product_version_range", "name": "vers:unknown/v5.15.1", "product": { "name": "vers:unknown/v5.15.1", "product_id": "CSAFPID-3869886" } }, { "category": "product_version_range", "name": "vers:unknown/v5.16", "product": { "name": "vers:unknown/v5.16", "product_id": "CSAFPID-3869887" } }, { "category": "product_version_range", "name": "vers:unknown/v5.17", "product": { "name": "vers:unknown/v5.17", "product_id": "CSAFPID-3869888" } }, { "category": "product_version_range", "name": "vers:unknown/v5.18", "product": { "name": "vers:unknown/v5.18", "product_id": "CSAFPID-3869889" } }, { "category": "product_version_range", "name": "vers:unknown/v5.18.1", "product": { "name": "vers:unknown/v5.18.1", "product_id": "CSAFPID-3869890" } }, { "category": "product_version_range", "name": "vers:unknown/v5.18.2", "product": { "name": "vers:unknown/v5.18.2", "product_id": "CSAFPID-3869891" } }, { "category": "product_version_range", "name": "vers:unknown/v5.18.3", "product": { "name": "vers:unknown/v5.18.3", "product_id": "CSAFPID-3869892" } }, { "category": "product_version_range", "name": "vers:unknown/v5.18.4", "product": { "name": "vers:unknown/v5.18.4", "product_id": "CSAFPID-3869893" } }, { "category": "product_version_range", "name": "vers:unknown/v5.19", "product": { "name": "vers:unknown/v5.19", "product_id": "CSAFPID-3869894" } }, { "category": "product_version_range", "name": "vers:unknown/v5.2", "product": { "name": "vers:unknown/v5.2", "product_id": "CSAFPID-3869895" } }, { "category": "product_version_range", "name": "vers:unknown/v5.2.1", "product": { "name": "vers:unknown/v5.2.1", "product_id": "CSAFPID-3869896" } }, { "category": "product_version_range", "name": "vers:unknown/v5.2.2", "product": { "name": "vers:unknown/v5.2.2", "product_id": "CSAFPID-3869897" } }, { "category": "product_version_range", "name": "vers:unknown/v5.20", "product": { "name": "vers:unknown/v5.20", "product_id": "CSAFPID-3869898" } }, { "category": "product_version_range", "name": "vers:unknown/v5.20.1", "product": { "name": "vers:unknown/v5.20.1", "product_id": "CSAFPID-3869899" } }, { "category": "product_version_range", "name": "vers:unknown/v5.20.2", "product": { "name": "vers:unknown/v5.20.2", "product_id": "CSAFPID-3869900" } }, { "category": "product_version_range", "name": "vers:unknown/v5.21", "product": { "name": "vers:unknown/v5.21", "product_id": "CSAFPID-3869901" } }, { "category": "product_version_range", "name": "vers:unknown/v5.3", "product": { "name": "vers:unknown/v5.3", "product_id": "CSAFPID-3869902" } }, { "category": "product_version_range", "name": "vers:unknown/v5.3.1", "product": { "name": "vers:unknown/v5.3.1", "product_id": "CSAFPID-3869903" } }, { "category": "product_version_range", "name": "vers:unknown/v5.3.2", "product": { "name": "vers:unknown/v5.3.2", "product_id": "CSAFPID-3869904" } }, { "category": "product_version_range", "name": "vers:unknown/v5.4", "product": { "name": "vers:unknown/v5.4", "product_id": "CSAFPID-3869905" } }, { "category": "product_version_range", "name": "vers:unknown/v5.5", "product": { "name": "vers:unknown/v5.5", "product_id": "CSAFPID-3869906" } }, { "category": "product_version_range", "name": "vers:unknown/v5.5.1", "product": { "name": "vers:unknown/v5.5.1", "product_id": "CSAFPID-3869907" } }, { "category": "product_version_range", "name": "vers:unknown/v5.6", "product": { "name": "vers:unknown/v5.6", "product_id": "CSAFPID-3869908" } }, { "category": "product_version_range", "name": "vers:unknown/v5.7", "product": { "name": "vers:unknown/v5.7", "product_id": "CSAFPID-3869909" } }, { "category": "product_version_range", "name": "vers:unknown/v5.8", "product": { "name": "vers:unknown/v5.8", "product_id": "CSAFPID-3869910" } }, { "category": "product_version_range", "name": "vers:unknown/v5.9", "product": { "name": "vers:unknown/v5.9", "product_id": "CSAFPID-3869911" } }, { "category": "product_version_range", "name": "vers:unknown/v6.0", "product": { "name": "vers:unknown/v6.0", "product_id": "CSAFPID-5151180" } }, { "category": "product_version_range", "name": "vers:unknown/v6.0.1", "product": { "name": "vers:unknown/v6.0.1", "product_id": "CSAFPID-5151181" } }, { "category": "product_version_range", "name": "vers:unknown/v6.0.2", "product": { "name": "vers:unknown/v6.0.2", "product_id": "CSAFPID-5151182" } }, { "category": "product_version_range", "name": "vers:unknown/v6.1", "product": { "name": "vers:unknown/v6.1", "product_id": "CSAFPID-5151183" } }, { "category": "product_version_range", "name": "vers:unknown/v6.2", "product": { "name": "vers:unknown/v6.2", "product_id": "CSAFPID-5151184" } }, { "category": "product_version_range", "name": "vers:unknown/v6.2.1", "product": { "name": "vers:unknown/v6.2.1", "product_id": "CSAFPID-5151185" } }, { "category": "product_version_range", "name": "vers:unknown/v6.3", "product": { "name": "vers:unknown/v6.3", "product_id": "CSAFPID-5723537" } }, { "category": "product_version_range", "name": "vers:unknown/v6.4", "product": { "name": "vers:unknown/v6.4", "product_id": "CSAFPID-5723538" } } ], "category": "product_name", "name": "web" } ], "category": "vendor", "name": "Pi-hole" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-26952", "cwe": { "id": "CWE-116", "name": "Improper Encoding or Escaping of Output" }, "notes": [ { "category": "description", "text": "Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application. Versions 6.4 and below are vulnerable to stored HTML injection through the local DNS records configuration page, which allows an authenticated administrator to inject code that is stored in the Pi-hole configuration and rendered every time the DNS records table is viewed. The populateDataTable() function contains a data variable with the full DNS record value exactly as entered by the user and returned by the API. This value is inserted directly into the data-tag HTML attribute without any escaping or sanitization of special characters. When an attacker supplies a value containing double quotes (\"), they can prematurely “close” the data-tag attribute and inject additional HTML attributes into the element. Since Pi-hole implements a Content Security Policy (CSP) that blocks inline JavaScript, the impact is limited. This issue has been fixed in version 6.4.1.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-26952" }, { "category": "description", "text": "Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application. Versions 6.4 and below are vulnerable to stored HTML injection through the local DNS records configuration page, which allows an authenticated administrator to inject code that is stored in the Pi-hole configuration and rendered every time the DNS records table is viewed. The populateDataTable() function contains a data variable with the full DNS record value exactly as entered by the user and returned by the API. This value is inserted directly into the data-tag HTML attribute without any escaping or sanitization of special characters. When an attacker supplies a value containing double quotes (\"), they can prematurely “close” the data-tag attribute and inject additional HTML attributes into the element. Since Pi-hole implements a Content Security Policy (CSP) that blocks inline JavaScript, the impact is limited. This issue has been fixed in version 6.4.1.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-26952" }, { "category": "description", "text": "Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application. Versions 6.4 and below are vulnerable to stored HTML injection through the local DNS records configuration page, which allows an authenticated administrator to inject code that is stored in the Pi-hole configuration and rendered every time the DNS records table is viewed. The populateDataTable() function contains a data variable with the full DNS record value exactly as entered by the user and returned by the API. This value is inserted directly into the data-tag HTML attribute without any escaping or sanitization of special characters. When an attacker supplies a value containing double quotes (\"), they can prematurely “close” the data-tag attribute and inject additional HTML attributes into the element. Since Pi-hole implements a Content Security Policy (CSP) that blocks inline JavaScript, the impact is limited. This issue has been fixed in version 6.4.1.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-26952.json?alt=media" }, { "category": "other", "text": "0.00043", "title": "EPSS" }, { "category": "other", "text": "5.0", "title": "NCSC Score" }, { "category": "other", "text": "Is related to CWE-116 (Improper Encoding or Escaping of Output), There is product data available from source Nvd, Is related to CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS))", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), Is related to an uncommon product vendor", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5642554", "CSAFPID-3777207", "CSAFPID-3777208", "CSAFPID-3777209", "CSAFPID-3777210", "CSAFPID-3777211", "CSAFPID-3777212", "CSAFPID-3777213", "CSAFPID-3777214", "CSAFPID-3777215", "CSAFPID-3777216", "CSAFPID-3777217", "CSAFPID-3777218", "CSAFPID-3777219", "CSAFPID-3777220", "CSAFPID-3777221", "CSAFPID-3777222", "CSAFPID-3777223", "CSAFPID-3777224", "CSAFPID-3777225", "CSAFPID-3777226", "CSAFPID-3777227", "CSAFPID-3777228", "CSAFPID-3777229", "CSAFPID-3777230", "CSAFPID-3777231", "CSAFPID-3777232", "CSAFPID-3777233", "CSAFPID-3777234", "CSAFPID-3777235", "CSAFPID-3777236", "CSAFPID-3777237", "CSAFPID-3777238", "CSAFPID-3777239", "CSAFPID-3777240", "CSAFPID-3777241", "CSAFPID-3777242", "CSAFPID-3777243", "CSAFPID-3777244", "CSAFPID-3777245", "CSAFPID-3777246", "CSAFPID-3777247", "CSAFPID-3777248", "CSAFPID-3777249", "CSAFPID-3777250", "CSAFPID-3777251", "CSAFPID-3777252", "CSAFPID-3777253", "CSAFPID-3777254", "CSAFPID-3777255", "CSAFPID-3777256", "CSAFPID-3777257", "CSAFPID-3777258", "CSAFPID-3777259", "CSAFPID-3777260", "CSAFPID-3777261", "CSAFPID-3869867", "CSAFPID-3869868", "CSAFPID-3869869", "CSAFPID-3869870", "CSAFPID-3869871", "CSAFPID-3869872", "CSAFPID-3869873", "CSAFPID-3869874", "CSAFPID-3869875", "CSAFPID-3869876", "CSAFPID-3869877", "CSAFPID-3869878", "CSAFPID-3869879", "CSAFPID-3869880", "CSAFPID-3869881", "CSAFPID-3869882", "CSAFPID-3869883", "CSAFPID-3869884", "CSAFPID-3869885", "CSAFPID-3869886", "CSAFPID-3869887", "CSAFPID-3869888", "CSAFPID-3869889", "CSAFPID-3869890", "CSAFPID-3869891", "CSAFPID-3869892", "CSAFPID-3869893", "CSAFPID-3869894", "CSAFPID-3869895", "CSAFPID-3869896", "CSAFPID-3869897", "CSAFPID-3869898", "CSAFPID-3869899", "CSAFPID-3869900", "CSAFPID-3869901", "CSAFPID-3869902", "CSAFPID-3869903", "CSAFPID-3869904", "CSAFPID-3869905", "CSAFPID-3869906", "CSAFPID-3869907", "CSAFPID-3869908", "CSAFPID-3869909", "CSAFPID-3869910", "CSAFPID-3869911", "CSAFPID-5151180", "CSAFPID-5151181", "CSAFPID-5151182", "CSAFPID-5151183", "CSAFPID-5151184", "CSAFPID-5151185", "CSAFPID-5723537", "CSAFPID-5723538", "CSAFPID-5810519" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26952" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-26952" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-26952" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/26xxx/CVE-2026-26952.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-26952" }, { "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-2026-26952.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://github.com/pi-hole/web/commit/d328f143718022d82dc94c8751121ca41be3b996" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://github.com/pi-hole/web/releases/tag/v6.4.1" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://github.com/pi-hole/web/security/advisories/GHSA-6xp4-jw73-f4qp" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26952.json" }, { "category": "external", "summary": "Reference - osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26952" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-3777207", "CSAFPID-3777208", "CSAFPID-3777209", "CSAFPID-3777210", "CSAFPID-3777211", "CSAFPID-3777212", "CSAFPID-3777213", "CSAFPID-3777214", "CSAFPID-3777215", "CSAFPID-3777216", "CSAFPID-3777217", "CSAFPID-3777218", "CSAFPID-3777219", "CSAFPID-3777220", "CSAFPID-3777221", "CSAFPID-3777222", "CSAFPID-3777223", "CSAFPID-3777224", "CSAFPID-3777225", "CSAFPID-3777226", "CSAFPID-3777227", "CSAFPID-3777228", "CSAFPID-3777229", "CSAFPID-3777230", "CSAFPID-3777231", "CSAFPID-3777232", "CSAFPID-3777233", "CSAFPID-3777234", "CSAFPID-3777235", "CSAFPID-3777236", "CSAFPID-3777237", "CSAFPID-3777238", "CSAFPID-3777239", "CSAFPID-3777240", "CSAFPID-3777241", "CSAFPID-3777242", "CSAFPID-3777243", "CSAFPID-3777244", "CSAFPID-3777245", "CSAFPID-3777246", "CSAFPID-3777247", "CSAFPID-3777248", "CSAFPID-3777249", "CSAFPID-3777250", "CSAFPID-3777251", "CSAFPID-3777252", "CSAFPID-3777253", "CSAFPID-3777254", "CSAFPID-3777255", "CSAFPID-3777256", "CSAFPID-3777257", "CSAFPID-3777258", "CSAFPID-3777259", "CSAFPID-3777260", "CSAFPID-3777261", "CSAFPID-3869867", "CSAFPID-3869868", "CSAFPID-3869869", "CSAFPID-3869870", "CSAFPID-3869871", "CSAFPID-3869872", "CSAFPID-3869873", "CSAFPID-3869874", "CSAFPID-3869875", "CSAFPID-3869876", "CSAFPID-3869877", "CSAFPID-3869878", "CSAFPID-3869879", "CSAFPID-3869880", "CSAFPID-3869881", "CSAFPID-3869882", "CSAFPID-3869883", "CSAFPID-3869884", "CSAFPID-3869885", "CSAFPID-3869886", "CSAFPID-3869887", "CSAFPID-3869888", "CSAFPID-3869889", "CSAFPID-3869890", "CSAFPID-3869891", "CSAFPID-3869892", "CSAFPID-3869893", "CSAFPID-3869894", "CSAFPID-3869895", "CSAFPID-3869896", "CSAFPID-3869897", "CSAFPID-3869898", "CSAFPID-3869899", "CSAFPID-3869900", "CSAFPID-3869901", "CSAFPID-3869902", "CSAFPID-3869903", "CSAFPID-3869904", "CSAFPID-3869905", "CSAFPID-3869906", "CSAFPID-3869907", "CSAFPID-3869908", "CSAFPID-3869909", "CSAFPID-3869910", "CSAFPID-3869911", "CSAFPID-5151180", "CSAFPID-5151181", "CSAFPID-5151182", "CSAFPID-5151183", "CSAFPID-5151184", "CSAFPID-5151185", "CSAFPID-5642554", "CSAFPID-5723537", "CSAFPID-5723538", "CSAFPID-5810519" ] } ], "title": "CVE-2026-26952" } ] }