{ "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-2026-32621", "tracking": { "current_release_date": "2026-03-25T07:26:33.823451Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-32621", "initial_release_date": "2026-03-13T20:38:31.361555Z", "revision_history": [ { "date": "2026-03-13T20:38:31.361555Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (15).| References created (1).| CWES updated (1)." }, { "date": "2026-03-13T20:38:36.569831Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-13T21:49:07.947379Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-13T21:49:15.365187Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-14T07:35:13.344060Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-03-14T14:50:49.980495Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-16T14:33:56.946966Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-03-16T14:33:59.804013Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-03-16T20:39:18.581694Z", "number": "9", "summary": "Unknown change." }, { "date": "2026-03-16T20:39:21.385027Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-19T15:28:38.724885Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-19T15:28:41.737174Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:29:52.035313Z", "number": "13", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T18:31:51.697672Z", "number": "14", "summary": "References created (1)." }, { "date": "2026-03-23T05:16:42.165124Z", "number": "15", "summary": "References removed (1)." }, { "date": "2026-03-24T20:57:12.350099Z", "number": "16", "summary": "References created (1)." } ], "status": "interim", "version": "16" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<2.9.6", "product": { "name": "vers:unknown/<2.9.6", "product_id": "CSAFPID-5825941" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.10.0-alpha.0|<2.10.5", "product": { "name": "vers:unknown/>=2.10.0-alpha.0|<2.10.5", "product_id": "CSAFPID-5825940" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.11.0-preview.0|<2.11.6", "product": { "name": "vers:unknown/>=2.11.0-preview.0|<2.11.6", "product_id": "CSAFPID-5825939" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.12.0-preview.0|<2.12.3", "product": { "name": "vers:unknown/>=2.12.0-preview.0|<2.12.3", "product_id": "CSAFPID-5825938" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.13.0-preview.0|<2.13.2", "product": { "name": "vers:unknown/>=2.13.0-preview.0|<2.13.2", "product_id": "CSAFPID-5825937" } } ], "category": "product_name", "name": "federation-internals" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<2.9.6", "product": { "name": "vers:unknown/<2.9.6", "product_id": "CSAFPID-5825946" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.10.0-alpha.0|<2.10.5", "product": { "name": "vers:unknown/>=2.10.0-alpha.0|<2.10.5", "product_id": "CSAFPID-5825945" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.11.0-preview.0|<2.11.6", "product": { "name": "vers:unknown/>=2.11.0-preview.0|<2.11.6", "product_id": "CSAFPID-5825944" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.12.0-preview.0|<2.12.3", "product": { "name": "vers:unknown/>=2.12.0-preview.0|<2.12.3", "product_id": "CSAFPID-5825943" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.13.0-preview.0|<2.13.2", "product": { "name": "vers:unknown/>=2.13.0-preview.0|<2.13.2", "product_id": "CSAFPID-5825942" } } ], "category": "product_name", "name": "gateway" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<2.9.6", "product": { "name": "vers:unknown/<2.9.6", "product_id": "CSAFPID-5825951" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.10.0-alpha.0|<2.10.5", "product": { "name": "vers:unknown/>=2.10.0-alpha.0|<2.10.5", "product_id": "CSAFPID-5825950" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.11.0-preview.0|<2.11.6", "product": { "name": "vers:unknown/>=2.11.0-preview.0|<2.11.6", "product_id": "CSAFPID-5825949" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.12.0-preview.0|<2.12.3", "product": { "name": "vers:unknown/>=2.12.0-preview.0|<2.12.3", "product_id": "CSAFPID-5825948" } }, { "category": "product_version_range", "name": "vers:unknown/>=2.13.0-preview.0|<2.13.2", "product": { "name": "vers:unknown/>=2.13.0-preview.0|<2.13.2", "product_id": "CSAFPID-5825947" } } ], "category": "product_name", "name": "query-planner" } ], "category": "vendor", "name": "@apollo" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-32621", "cwe": { "id": "CWE-1321", "name": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')" }, "notes": [ { "category": "description", "text": "Apollo Federation is an architecture for declaratively composing APIs into a unified graph. Prior to 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2, a vulnerability exists in query plan execution within the gateway that may allow pollution of Object.prototype in certain scenarios. A malicious client may be able to pollute Object.prototype in gateway directly by crafting operations with field aliases and/or variable names that target prototype-inheritable properties. Alternatively, if a subgraph were to be compromised by a malicious actor, they may be able to pollute Object.prototype in gateway by crafting JSON response payloads that target prototype-inheritable properties. This vulnerability is fixed in 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-32621" }, { "category": "description", "text": "### Impact\n\nA vulnerability exists in query plan execution within the gateway that may allow pollution of `Object.prototype` in certain scenarios. A malicious client may be able to pollute `Object.prototype` in gateway directly by crafting operations with field aliases and/or variable names that target prototype-inheritable properties. Alternatively, if a subgraph were to be compromised by a malicious actor, they may be able to pollute `Object.prototype` in gateway by crafting JSON response payloads that target prototype-inheritable properties.\n\nBecause `Object.prototype` is shared across the Node.js process, successful exploitation can affect subsequent requests to the gateway instance. This may result in unexpected application behavior, privilege escalation, data integrity issues, or other security impact depending on how polluted properties are subsequently consumed by the application or its dependencies. As of the date of this advisory, Apollo is not aware of any reported exploitation of this vulnerability.\n\n### Patches\nMitigations addressing prototype pollution exposure have been applied in `@apollo/federation-internals`, `@apollo/gateway`, and `@apollo/query-planner` versions `2.9.6`, `2.10.5`, `2.11.6`, `2.12.3`, and `2.13.2`. Users are encouraged to upgrade to these versions or later at their earliest convenience.\n\n### Workarounds\nA fully effective workaround is not available without a code change. As an interim measure, users who are unable to upgrade immediately may consider placing an input validation layer in front of the gateway to filter operations containing [GraphQL names](https://spec.graphql.org/September2025/#sec-Names) matching known `Object.prototype` pollution patterns (e.g., `__proto__`, `constructor`, `prototype`). Users should also ensure that subgraphs in their federated graph originate from trusted sources.", "title": "github - https://github.com/advisories/GHSA-pfjj-6f4p-rvmh" }, { "category": "description", "text": "Apollo Federation is an architecture for declaratively composing APIs into a unified graph. Prior to 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2, a vulnerability exists in query plan execution within the gateway that may allow pollution of Object.prototype in certain scenarios. A malicious client may be able to pollute Object.prototype in gateway directly by crafting operations with field aliases and/or variable names that target prototype-inheritable properties. Alternatively, if a subgraph were to be compromised by a malicious actor, they may be able to pollute Object.prototype in gateway by crafting JSON response payloads that target prototype-inheritable properties. This vulnerability is fixed in 2.9.6, 2.10.5, 2.11.6, 2.12.3, and 2.13.2.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-32621" }, { "category": "description", "text": "### Impact\n\nA vulnerability exists in query plan execution within the gateway that may allow pollution of `Object.prototype` in certain scenarios. A malicious client may be able to pollute `Object.prototype` in gateway directly by crafting operations with field aliases and/or variable names that target prototype-inheritable properties. Alternatively, if a subgraph were to be compromised by a malicious actor, they may be able to pollute `Object.prototype` in gateway by crafting JSON response payloads that target prototype-inheritable properties.\n\nBecause `Object.prototype` is shared across the Node.js process, successful exploitation can affect subsequent requests to the gateway instance. This may result in unexpected application behavior, privilege escalation, data integrity issues, or other security impact depending on how polluted properties are subsequently consumed by the application or its dependencies. As of the date of this advisory, Apollo is not aware of any reported exploitation of this vulnerability.\n\n### Patches\nMitigations addressing prototype pollution exposure have been applied in `@apollo/federation-internals`, `@apollo/gateway`, and `@apollo/query-planner` versions `2.9.6`, `2.10.5`, `2.11.6`, `2.12.3`, and `2.13.2`. Users are encouraged to upgrade to these versions or later at their earliest convenience.\n\n### Workarounds\nA fully effective workaround is not available without a code change. As an interim measure, users who are unable to upgrade immediately may consider placing an input validation layer in front of the gateway to filter operations containing [GraphQL names](https://spec.graphql.org/September2025/#sec-Names) matching known `Object.prototype` pollution patterns (e.g., `__proto__`, `constructor`, `prototype`). Users should also ensure that subgraphs in their federated graph originate from trusted sources.", "title": "github - https://api.github.com/advisories/GHSA-pfjj-6f4p-rvmh" }, { "category": "other", "text": "0.00032", "title": "EPSS" }, { "category": "other", "text": "3.8", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, Is related to CWE-1321 (Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'))", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5825937", "CSAFPID-5825938", "CSAFPID-5825939", "CSAFPID-5825940", "CSAFPID-5825941", "CSAFPID-5825942", "CSAFPID-5825943", "CSAFPID-5825944", "CSAFPID-5825945", "CSAFPID-5825946", "CSAFPID-5825947", "CSAFPID-5825948", "CSAFPID-5825949", "CSAFPID-5825950", "CSAFPID-5825951" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-32621" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/32xxx/CVE-2026-32621.json" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-pfjj-6f4p-rvmh" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-pfjj-6f4p-rvmh" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-32621" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32621" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-32621" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-pfjj-6f4p-rvmh" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/apollographql/federation/security/advisories/GHSA-pfjj-6f4p-rvmh" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-pfjj-6f4p-rvmh" }, { "category": "external", "summary": "Reference - github", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32621" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L", "baseScore": 9.9, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-5825937", "CSAFPID-5825938", "CSAFPID-5825939", "CSAFPID-5825940", "CSAFPID-5825941", "CSAFPID-5825942", "CSAFPID-5825943", "CSAFPID-5825944", "CSAFPID-5825945", "CSAFPID-5825946", "CSAFPID-5825947", "CSAFPID-5825948", "CSAFPID-5825949", "CSAFPID-5825950", "CSAFPID-5825951" ] } ], "title": "CVE-2026-32621" } ] }