{"schema_version":"1.9.0","id":"GHSA-2g7p-5934-q4w7","published":"2026-10-06T16:18:27Z","modified":"2026-10-06T16:30:04.322365368Z","aliases":["CVE-2026-105854"],"summary":"Payload: ReDoS in Multipart Content-Type Validation","details":"## Impact\nA malformed multipart request body could take an extremely long time to finish.\n\n## Patches\nUsers should upgrade Payload packages to `>= 3.90.0` or `>= 4.0.0-canary.34`.","affected":[{"package":{"name":"payload","ecosystem":"npm","purl":"pkg:npm/payload"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.90.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-2g7p-5934-q4w7/GHSA-2g7p-5934-q4w7.json"}},{"package":{"name":"payload","ecosystem":"npm","purl":"pkg:npm/payload"},"ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0-canary.0"},{"fixed":"4.0.0-canary.34"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-2g7p-5934-q4w7/GHSA-2g7p-5934-q4w7.json"}}],"references":[{"type":"WEB","url":"https://github.com/payloadcms/payload/security/advisories/GHSA-2g7p-5934-q4w7"},{"type":"WEB","url":"https://github.com/payloadcms/payload/commit/0084bd51fb7742b26a88431bb84cb1696857e6dc"},{"type":"PACKAGE","url":"https://github.com/payloadcms/payload"},{"type":"WEB","url":"https://github.com/payloadcms/payload/releases/tag/v3.90.0"}],"database_specific":{"cwe_ids":["CWE-1333","CWE-400"],"github_reviewed":true,"github_reviewed_at":"2026-10-06T16:18:27Z","nvd_published_at":null,"severity":"HIGH"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}