CVE-2026-9097 CVE-2026-9097
Attackers can use revoked JWTs for token exchange because Casdoor fails to verify token revocation status, bypassing session termination controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-9097?
CVE-2026-9097 is a critical vulnerability in Casdoor, published on 28 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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the JWT signature and parses its claims, but never queries the Token table to verify whether the subject token has been revoked or invalidated.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.
Which versions are affected by CVE-2026-9097?
3 open source packages ship an affected version, including github.com/casdoor/casdoor.
| Package | Affected | Fixed in |
|---|---|---|
github.com/casdoor/casdoor Go | All versions | None |
github.com/casdoor/casdoor Go | All versions to 1.1000.1-0.20260321120606-239e8bd69487 | None |
github.com/casdoor/casdoor Go | All versions to 1.1000.1-0.20260321120606-239e8bd69487 | None |
How do I fix CVE-2026-9097?
Apply the vendor's patch.
Is CVE-2026-9097 being exploited?
There is no known exploitation of CVE-2026-9097 in the wild and no public exploit code.
Sources
Also known as GHSA-339w-3hqm-9pjc, GO-2026-5892.