{"id":"CVE-2025-59841","summary":"FlagForgeCTF's Improper Session Handling Allows Access After Logout","details":"Flag Forge is a Capture The Flag (CTF) platform. In versions from 2.2.0 to before 2.3.1, the FlagForge web application improperly handles session invalidation. Authenticated users can continue to access protected endpoints, such as /api/profile, even after logging out. CSRF tokens are also still valid post-logout, which can allow unauthorized actions. This issue has been patched in version 2.3.1.","aliases":["GHSA-h6pr-4cwv-6cjg"],"modified":"2026-08-12T03:51:33.536737691Z","published":"2025-09-25T15:15:45.438Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-384","CWE-613"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59841.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59841.json"},{"type":"ADVISORY","url":"https://github.com/FlagForgeCTF/flagForge/security/advisories/GHSA-h6pr-4cwv-6cjg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59841"},{"type":"FIX","url":"https://github.com/FlagForgeCTF/flagForge/commit/304b6c82a4f76871b336404b91e5cdd8a7d7d5bd"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/flagforgectf/flagforge","events":[{"introduced":"ec34b48eaa1c62b03911778dd1309aa25aabdc20"},{"fixed":"304b6c82a4f76871b336404b91e5cdd8a7d7d5bd"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:flagforge:flagforge:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.2.0"},{"fixed":"2.3.1"},{"introduced":"2.2"}]}}],"versions":["v2.3","v2.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-59841.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}