{"id":"CVE-2026-80202","state":"PUBLISHED","title":"Kimai before 2.56.0 Authorization Bypass via TimesheetVoter","description":"Kimai before 2.56.0 does not enforce team-membership checks in TimesheetVoter::voteOnAttribute(), which maps permissions only to own_timesheet or other_timesheet. As a result, any authenticated user with ROLE_TEAMLEAD (or a role holding edit_other_timesheet/delete_other_timesheet) can read, modify, and permanently delete timesheets belonging to any user system-wide via the API, regardless of team membership. Timesheet IDs are sequential integers and trivially enumerable. ROLE_USER accounts are correctly restricted. (Note: the maintainers characterize this behavior as matching the documented permission model.)","publishedAt":"2026-08-25T23:19:07.165Z","updatedAt":"2026-10-08T15:25:23.141Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["kimai kimai"],"affected":[{"vendor":"kimai","product":"kimai","packageURL":"pkg:composer/kimai/kimai","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.56.0","versionType":"semver"},{"version":"2.56.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/kimai/kimai/security/advisories/GHSA-9g2q-w3w2-vf7q","https://www.vulncheck.com/advisories/kimai-before-2.56.0-authorization-bypass-via-timesheetvoter"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80202.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80202","state":"PUBLISHED","datePublished":"2026-08-25T23:19:07.165Z","dateUpdated":"2026-10-08T15:25:23.141Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-25T23:15:39.155Z"},"containers":{"cna":{"title":"Kimai before 2.56.0 Authorization Bypass via TimesheetVoter","descriptions":[{"lang":"en","value":"Kimai before 2.56.0 does not enforce team-membership checks in TimesheetVoter::voteOnAttribute(), which maps permissions only to own_timesheet or other_timesheet. 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