CVE-2026-111636

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Source
https://cve.org/CVERecord?id=CVE-2026-111636
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111636.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-111636
Published
2026-10-16T17:39:08Z
Modified
2026-10-17T10:30:25Z
Severity
  • 9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
OpenBMB StaffDeck through 0.5.6 Authentication Bypass via Hard-Coded Session Secret
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-321"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111636.json"
}
References

Affected packages

Git / github.com/openbmb/staffdeck

Affected ranges

Type
GIT
Repo
https://github.com/openbmb/staffdeck
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
7adc7c84f61bd6cca13ff0380a811cbb3ae3c544
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "0.5.6"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

v0.*
v0.1.0
v0.1.1-beta.1
v0.1.1-beta.2
v0.1.1-beta.3
v0.1.1-beta.4
v0.1.2
v0.2.0
v0.2.0-beta.1
v0.3.0
v0.3.1-beta.1
v0.3.1-beta.2
v0.3.1-beta.3
v0.3.1-beta.4
v0.3.1-beta.5
v0.4.0
v0.4.1
v0.4.1-beta1
v0.4.2
v0.5.0
v0.5.1
v0.5.2
v0.5.3
v0.5.4
v0.5.5
v0.5.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111636.json"