CVE-2026-91994

MediumCVSS 6.5/10Last modified Sep 24, 2026

Description

Semaphore UI through 2.19.12 exempts GET and HEAD requests from project resource permission checks in GetMustCanMiddleware. Attackers with guest or task_runner roles can read all project environments including plaintext secrets, credentials, and passwords via GET requests to the environment endpoint.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-862

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
semaphoreui	semaphore	<= 2.19.12

References

Timeline

Published: Sep 15, 2026
Last modified: Sep 24, 2026
NVD status: Awaiting Analysis

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