{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-55066"],"ecosystem":"Go","epss":0.00369,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-5pg6-m483-7vrg","id":"tcs_01M5KGT4H6YJZK38JS9CAH04GC","modified_at":"2026-09-02T19:30:09.168752976Z","published_at":"2026-09-02T18:37:27Z","references":["https://osv.dev/vulnerability/GO-2026-6308","https://github.com/go-vikunja/vikunja/security/advisories/GHSA-5pg6-m483-7vrg","https://github.com/go-vikunja/vikunja/commit/36cdc2ce2be0b8ccc74227d178b92047d59cd65f","https://github.com/go-vikunja/vikunja/pull/3239","https://github.com/go-vikunja/vikunja/releases/tag/v2.4.0"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-6308","url":"https://osv.dev/vulnerability/GO-2026-6308"}],"summary":"Vikunja has cross-tenant IDOR in kanban move-task endpoint via unauthorized body task_id in code.vikunja.io/api"}