{"id":"CVE-2026-9094","aliases":["GO-2026-5953"],"url":"https://o3.security/vulnerability/CVE-2026-9094","summary":"Casdoor: GetTokenExchangeToken bypass through lack of cross-organization JWT signature check","details":"Casdoor versions 2.362.0 and earlier contain a vulnerability enabling cross-organization token exchange. The GetTokenExchangeToken function in object/token_oauth.go validates JWT signatures but does not verify that the token's user belongs to the same organization as the target application. This can result in privilege escalation across organizational boundaries.","published":"2026-05-28T18:30:32Z","modified":"2026-07-21T19:19:17.248123151Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.0042,"percentile":0.34728,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/casdoor/casdoor","fixedVersion":"2.387.0"}],"fix":{"url":"https://github.com/casdoor/casdoor/commit/d92b8568686d","label":"casdoor/casdoor@d92b856"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9094"},{"type":"WEB","url":"https://github.com/casdoor/casdoor/commit/d92b8568686d"},{"type":"PACKAGE","url":"https://github.com/casdoor/casdoor"},{"type":"WEB","url":"https://kb.cert.org/vuls/id/780781"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-21T19:19:17.248123151Z"}}