{"id":"CVE-2026-105806","title":"Payload is a free and open source headless content management system","summary":"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 …","severity":"high","cvss":8.6,"cvssVector":"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","cwe":["CWE-862"],"vendor":"payloadcms","product":"@payloadcms/plugin-mcp","affected":["@payloadcms/plugin-mcp >= 3.61.0, < 3.88.0"],"patched":["@payloadcms/plugin-mcp 3.88.0"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T18:16:47.777","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105806","references":[{"url":"https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1","label":"security-advisories@github.com"},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.88.0","label":"security-advisories@github.com"},{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-2q76-m6w6-qgc6"}],"tags":["nvd","ghsa","npm","cve.org"],"aliases":["GHSA-2q76-m6w6-qgc6"],"ecosystem":"npm","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-06T17:34:09.694438Z"},"cvssSource":"cna","ingestedAt":"2026-10-06T16:04:04.483Z","slug":"CVE-2026-105806","body":"## Overview\n\nPayload 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-105806)\n\nAffected packages:\n\n- `@payloadcms/plugin-mcp >= 3.61.0, < 3.88.0`\n\nPatched in:\n\n- `@payloadcms/plugin-mcp 3.88.0`\n\nSource: https://github.com/advisories/GHSA-2q76-m6w6-qgc6","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}