{"id":"GHSA-97rh-rhh2-7vjv","summary":"Payload: Remote Code Execution through first-register","details":"### Impact\nA crafted request to the public first-register operation can be used to perform a RCE exploit.\n\n**You are affected if:**\n\n- You use local auth strategy and your application remains without an initial user created\n\n## Patches\n\nIn the patched version data submission to create first user is properly sanitized.\n\nUsers should upgrade Payload packages to `\u003e= 3.90.0` or `\u003e= 4.0.0-canary.34`.","aliases":["CVE-2026-105858"],"modified":"2026-10-07T20:45:04.344826025Z","published":"2026-10-07T20:29:58Z","database_specific":{"github_reviewed_at":"2026-10-07T20:29:58Z","nvd_published_at":"2026-10-06T17:17:21Z","cwe_ids":["CWE-1321","CWE-94"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/payloadcms/payload/security/advisories/GHSA-97rh-rhh2-7vjv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105858"},{"type":"WEB","url":"https://github.com/payloadcms/payload/commit/e947fc4ba4a434f276d043386e501b1d14eda679"},{"type":"PACKAGE","url":"https://github.com/payloadcms/payload"},{"type":"WEB","url":"https://github.com/payloadcms/payload/releases/tag/v3.90.0"}],"affected":[{"package":{"name":"payload","ecosystem":"npm","purl":"pkg:npm/payload"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.90.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-97rh-rhh2-7vjv/GHSA-97rh-rhh2-7vjv.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-97rh-rhh2-7vjv/GHSA-97rh-rhh2-7vjv.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}