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Open-source package vulnerability · Go

CVE-2026-9097: Casdoor doesn't verify that a JWT used for token exchange is still active

criticalCVSS 3.1 9.8GHSA-339w-3hqm-9pjc

Casdoor versions 2.362.0 and earlier do not verify that a JWT used for token exchange is still active. The GetTokenExchangeToken() function in object/tokenoauth.go validates the JWT signature and parses its claims, but never queries the Token table to verify whether the subject token has been revoked or invalidated.

Published May 28, 2026 · Updated Jul 2, 2026

Affected packages

github.com/casdoor/casdoor

Ecosystem
Go
Affected
<= 1.1000.1-0.20260321120606-239e8bd69487
Fixed in
No patched version yet
Check
go list -m github.com/casdoor/casdoor

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Casdoor versions 2.362.0 and earlier do not verify that a JWT used for token exchange is still active. The GetTokenExchangeToken() function in object/token_oauth.go validates the JWT signature and parses its claims, but never queries the Token table to verify whether the subject token has been revoked or invalidated. Because the revocation check is entirely absent, administrators are unable to terminate active sessions or revoke compromised tokens.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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