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Back to active CVEs
Critical · CVSS 9.2CVE-2026-111636

OpenBMB StaffDeck through 0.5.6 Authentication Bypass via Hard-Coded Session SecretCVE-2026-111636

Answer in brief

CVE-2026-111636 records a Critical severity (CVSS 9.2) vulnerability in OpenBMB StaffDeck through 0.5.6 Authentication Bypass via Hard-Coded Session Secret. The current sources do not mark it as known exploited. The current feed maps OpenBMB/StaffDeck (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 16, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.2
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps OpenBMB/StaffDeck (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
OpenBMB/StaffDeckgeneric>=0 <=0.5.6Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for OpenBMB/StaffDeck.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 16, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencehackmd.io
  • Source referencevulncheck.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Simple Admin Core through 1.8.7 Hard-Coded JWT Secret Authentication BypassAlso CWE-321
  • DataBuff ai-apm-web through 0.1.10 Authentication Bypass via Hardcoded HMAC SecretAlso CWE-321
  • data-platform-open through commit efeacd3 Hardcoded AES Key for Datasource PasswordsAlso CWE-321
  • IBM i is Affected By An Improper Privilege Management VulnerabilitySame generic ecosystem
  • IBM i is Affected by a Denial of Service in Digital Certificate ManagerSame generic ecosystem
  • IBM Db2 Genius Hub Improper verification of cryptographic signatureSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-321
Source
CVE List V5
Source checked
Oct 16, 2026
References
4 linked sources
Open source record