CRITICAL 9.2 NVD
CVE-2026-111636
OpenBMB StaffDeck through 0.5.6 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge administrator session tokens usin
OpenBMB StaffDeck through 0.5.6 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge administrator session tokens using the hard-coded default app_secret. Attackers can sign an HMAC-SHA256 token for the seeded 'admin' user in 'tenant_demo' to gain full tenant administration, including stored model and channel credentials.
References
- https://github.com/OpenBMB/StaffDeck/blob/v0.5.6/backend/app/config.py#L10
- https://github.com/OpenBMB/StaffDeck/blob/v0.5.6/backend/app/security/auth.py#L96-L98
- https://hackmd.io/@hieuPenguinnn/staffdeck-default-token-signing-secret-auth-bypass
- https://www.vulncheck.com/advisories/openbmb-staffdeck-through-0.5.6-authentication-bypass
This critical severity vulnerability with a CVSS score of 9.2 was published on 2026-10-16 via NVD.
Risk Timeline
CVE Disclosed2026-10-16 · -1 days ago
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