{"affected":[{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"parse-server","product":"parse-server","source":"CNA: VulnCheck","vendor":"parse-community","versions":[{"lessThan":"9.10.6-alpha.4","status":"affected","version":"9.0.0","versionType":"semver"},{"status":"unaffected","version":"9.10.6-alpha.4","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"parse-server","product":"parse-server","source":"CNA: VulnCheck","vendor":"parse-community","versions":[{"lessThan":"8.6.112","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"8.6.112","versionType":"semver"}]}],"cveId":"CVE-2026-121413","cwes":["CWE-863"],"description":"Parse Server before 8.6.112 and 9.0.0 before 9.10.6-alpha.4 contains an authorization bypass in the session upgrade endpoint, which creates a new session for any valid session token without enforcing the _Session class create class-level permission. Attackers holding a user's session token can send an already revocable token to /upgradeToRevocableSession to obtain additional sessions with fresh expiration that persist after the original session is logged out.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":2.3,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":3.1,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1793716092320,"publishedAt":1793716092320,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-2j2x-c587-q33g"},{"source":"CNA: VulnCheck","tags":["patch","issue-tracking"],"url":"https://github.com/parse-community/parse-server/pull/10808"},{"source":"CNA: VulnCheck","tags":["patch","issue-tracking"],"url":"https://github.com/parse-community/parse-server/pull/10809"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/parse-server-before-8.6.112-and-9.0.0-before-9.10.6-alpha.4-session-permission-bypass-via-upgradetorevocablesession"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/parse-community/parse-server/pull/10808"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/parse-community/parse-server/pull/10809"}],"revision":"0855053ece5f13dab3ee0bcae9e7651e2ef12bb1b953f3409fbc96be1e95833f","sources":[{"modifiedAt":1793716092320,"name":"CNA: VulnCheck","retrievedAt":1793718560305,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121413"}],"ssvc":null,"status":"published","title":"Parse Server before 8.6.112 and 9.0.0 before 9.10.6-alpha.4 Session Permission Bypass via upgradeToRevocableSession","updatedAt":1793718560305}