HIGH

CVE-2026-111636

CVSS v3

8.1

HIGH

EPSS Score

—

exploit probability

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-111636 yet.

Full record on NVD

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-16
Last Modified: 2026-10-16

Frequently asked questions

What is CVE-2026-111636?

Is CVE-2026-111636 actively exploited?

Active exploitation of CVE-2026-111636 has not been confirmed.

What is the CVSS score for CVE-2026-111636?

CVE-2026-111636 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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