{"id":"CVE-2026-105806","state":"PUBLISHED","title":"Payload: Improper access control for MCP API keys","description":"Payload is a free and open source headless content management system. In @payloadcms/plugin-mcp versions from 3.61.0 until 3.88.0, an authenticated user can manage MCP API keys outside the intended account, enabling privilege escalation through account takeover. This issue is fixed in version 3.88.0.","publishedAt":"2026-10-06T15:35:17.028Z","updatedAt":"2026-10-06T17:39:44.197Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["payloadcms payload","@payloadcms plugin-mcp"],"affected":[{"vendor":"payloadcms","product":"payload","versions":[{"version":">= 3.61.0, < 3.88.0","status":"affected"}]},{"vendor":"@payloadcms","product":"plugin-mcp","versions":[{"version":">= 3.61.0, < 3.88.0","status":"affected"}]}],"references":["https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6","https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1","https://github.com/payloadcms/payload/releases/tag/v3.88.0"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/105xxx/CVE-2026-105806.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105806","state":"PUBLISHED","datePublished":"2026-10-06T15:35:17.028Z","dateUpdated":"2026-10-06T17:39:44.197Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-05T20:37:19.365Z"},"containers":{"cna":{"title":"Payload: Improper access control for MCP API keys","descriptions":[{"lang":"en","value":"Payload is a free and open source headless content management system. In @payloadcms/plugin-mcp versions from 3.61.0 until 3.88.0, an authenticated user can manage MCP API keys outside the intended account, enabling privilege escalation through account takeover. This issue is fixed in version 3.88.0."}],"affected":[{"vendor":"payloadcms","product":"payload","versions":[{"version":">= 3.61.0, < 3.88.0","status":"affected"}]},{"vendor":"@payloadcms","product":"plugin-mcp","versions":[{"version":">= 3.61.0, < 3.88.0","status":"affected"}]}],"references":[{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6","name":"https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1","name":"https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1","tags":["x_refsource_MISC"]},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.88.0","name":"https://github.com/payloadcms/payload/releases/tag/v3.88.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-06T15:35:17.028Z"},"source":{"advisory":"GHSA-2q76-m6w6-qgc6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-06T17:34:09.694438Z","id":"CVE-2026-105806","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-06T17:39:44.197Z"}}]}}}