High severity8.1NVD Advisory· Published Oct 16, 2026· Updated Oct 16, 2026
CVE-2026-111636
CVE-2026-111636
Description
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.
Affected products
1Patches
Vulnerability mechanics
References
4- github.com/OpenBMB/StaffDeck/blob/v0.5.6/backend/app/config.pynvd
- github.com/OpenBMB/StaffDeck/blob/v0.5.6/backend/app/security/auth.pynvd
- hackmd.io/@hieuPenguinnn/staffdeck-default-token-signing-secret-auth-bypassnvd
- www.vulncheck.com/advisories/openbmb-staffdeck-through-0.5.6-authentication-bypass-via-hard-coded-session-secretnvd
News mentions
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