What is CVE-2026-9097?

CVE-2026-9097 is a critical-severity vulnerability in Casdoor, classified under CWE-613 INSUFFICIENT SESSION EXPIRATION. CVSS score: 9.8/10. Published 2026-05-28.

How severe is CVE-2026-9097?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Casdoor

CVE-2026-9097

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 T…

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Casdoor — versions 0

References

cret@cert.org

Frequently asked questions

What is CVE-2026-9097?: CVE-2026-9097 is a critical-severity vulnerability in Casdoor, classified under CWE-613 INSUFFICIENT SESSION EXPIRATION. CVSS score: 9.8/10. Published 2026-05-28.
How severe is CVE-2026-9097?: Critical severity. CVSS v3 base score is 9.8 out of 10.