{"id":"CVE-2026-105863","revision":"6025569236bd458abdbce327709c14aa","records":[{"revision":"6025569236bd458abdbce327709c14aa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-105863","aliases":[],"title":"Payload authentication token field handling issue","description":"Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0.","state":0,"publishedAt":"2026-10-06T16:39:44.912+00:00","modifiedAt":"2026-10-09T01:15:33.512+00:00","affected":[{"ecosystem":"Vendor product","name":"payload","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"payloadcms\",\n                    \"product\": \"payload\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 3.0.0, < 3.90.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 4.0.0-canary.0, < 4.0.0-canary.34\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.2,"severity":"CRITICAL"}],"references":["https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq","https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c","https://github.com/payloadcms/payload/releases/tag/v3.90.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105863","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105863","identifiers":["CVE-2026-105863"]},"retained":false,"historicalAffected":[]}],"coverage":[]}