CVE-2026-9091 — MEDIUM (5.3)

Vulnerability Description

Casdoor versions 2.362.0 and earlier contain a logic flaw in the social‑login binding flow that allows users to bypass configured MFA requirements. The binding‑rule code path in controllers/auth.go calls HandleLoggedIn directly without invoking checkMfaEnable. Any user authenticating via this path is logged in without MFA enforcement.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

References

https://kb.cert.org/vuls/id/780781

FAQ

What is CVE-2026-9091?

CVE-2026-9091 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Casdoor versions 2.362.0 and earlier contain a logic flaw in the social‑login binding flow that allows users to bypass configured MFA requirements. The binding‑rule code path in controllers/auth.go ca...

How severe is CVE-2026-9091?

CVE-2026-9091 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9091?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.