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CVE-2026-111636

OpenBMB StaffDeck through 0.5.6 Authentication Bypass via Hard-Coded Session Secret

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Public exploit
None on Exploit-DB
CISA SSVC
  • Exploitation: none
  • Automatable: no
  • Technical impact: total
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).

SSVC documentation

Summary

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 versions

  • OpenBMB StaffDeck

    through 0.5.6

References 4

hackmd.io

GitHub · OpenBMB/StaffDeck

vulncheck.com