{"cve":"CVE-2026-105806","nvd":{"published":"2026-10-06T16:17:06.257","modified":"2026-10-06T20:03:40.690","status":"Undergoing Analysis","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.","cvss_v4":{"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","score":8.6},"cvss_v3":null,"cwes":["CWE-862"],"references":["https://github.com/payloadcms/payload/commit/025581d8c5ed836039ad85397288a30f0d3c11c1","https://github.com/payloadcms/payload/releases/tag/v3.88.0","https://github.com/payloadcms/payload/security/advisories/GHSA-2q76-m6w6-qgc6"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:57:46.668721662+00:00"},"epss":{"cve":"CVE-2026-105806","score":0.00252,"percentile":0.16489,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-2q76-m6w6-qgc6","url":"https://osv.dev/vulnerability/GHSA-2q76-m6w6-qgc6","summary":"Payload: Improper access control for MCP API keys","modified":"2026-10-06T16:15:05.314931440Z","packages":[{"ecosystem":"npm","name":"@payloadcms/plugin-mcp","purl":"pkg:npm/%40payloadcms/plugin-mcp","ranges":[">=3.61.0 <3.88.0"],"fixed":["3.88.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}