{"action":"Upgrade kimai/kimai to 2.53.0 or later.","affected":[{"fixed":"2.53.0","introduced":"0"}],"component":"kimai/kimai","cve_ids":["CVE-2026-80200"],"ecosystem":"Packagist","epss":0.0036,"exploited":false,"fixed_versions":["2.53.0"],"ghsa_id":"GHSA-3jp4-mhh4-gcgr","id":"tcs_01M5KET2A0J0GHD3C69QKYED08","modified_at":"2026-08-27T04:10:43.335920908Z","published_at":"2026-04-14T01:06:06Z","references":["https://osv.dev/vulnerability/GHSA-3jp4-mhh4-gcgr","https://github.com/kimai/kimai/security/advisories/GHSA-3jp4-mhh4-gcgr","https://github.com/kimai/kimai/pull/5878","https://github.com/kimai/kimai"],"severity":{"label":"unknown","score":0},"sources":[{"source":"osv","source_id":"GHSA-3jp4-mhh4-gcgr","url":"https://osv.dev/vulnerability/GHSA-3jp4-mhh4-gcgr"}],"summary":"Kimai has an Open Redirect via Unvalidated RelayState in SAML ACS Handler"}