Medium severity5.3NVD Advisory· Published May 28, 2026· Updated Jun 17, 2026
CVE-2026-9091
CVE-2026-9091
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/casdoor/casdoorGo | <= 1.1000.1-0.20260321120606-239e8bd69487 | — |
Affected products
3- osv-coordsRange: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-gv4m-v8c8-hr3gghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-9091ghsaADVISORY
- kb.cert.org/vuls/id/780781nvdWEB
News mentions
1- Casdoor: Nine SAML & SSO Flaws Disclosed, Including Critical Auth Bypass (CVE-2026-9090)Vypr Intelligence · May 28, 2026