{"id":"GHSA-66wr-7vmr-p5jq","revision":"19bec89aa4e74c339b6caabbb5de2f51","records":[{"revision":"19bec89aa4e74c339b6caabbb5de2f51","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-66wr-7vmr-p5jq","aliases":["CVE-2026-105863"],"title":"Payload authentication token field handling issue","description":"### Impact\n\nUnder certain field configurations, Payload could include unintended values in the authentication token issued at login.\n\nYou are affected if:\n\n- You use an affected Payload version and have configured a custom field option that maps a field to a reserved authentication claim name.\n\n### Patches\nPayload now restricts which field configuration options can influence the contents of the authentication token.\n\nUsers should upgrade payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`.\n\n### Workarounds\nThere is no complete workaround. Users should upgrade payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`.","state":0,"publishedAt":"2026-10-07T20:28:18+00:00","modifiedAt":"2026-10-07T20:45:05.3419615+00:00","affected":[{"ecosystem":"npm","name":"payload","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"3.0.0"},{"kind":"fixed","version":"3.90.0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"payload","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"4.0.0-canary.0"},{"kind":"fixed","version":"4.0.0-canary.34"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","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":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"CRITICAL"}],"references":["https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq","https://nvd.nist.gov/vuln/detail/CVE-2026-105863","https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c","https://github.com/payloadcms/payload","https://github.com/payloadcms/payload/releases/tag/v3.90.0"],"sourceUrl":"https://github.com/advisories/GHSA-66wr-7vmr-p5jq","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-66wr-7vmr-p5jq","identifiers":["GHSA-66wr-7vmr-p5jq","CVE-2026-105863"]},"retained":false,"historicalAffected":[]}],"coverage":[]}