CVE-2026-91994
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.
Published:Sep 15, 2026
Last Modified:Sep 15, 2026
EPS:Sep 15, 2026
EPSS Score:
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
Semaphoreui
Product
Semaphore
Semaphoreui
Semaphore
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
