CVE-2026-73292
Semaphore UI: CSRF vulnerability on password change endpoint - No CSRF token or password confirmation
- State
- Published
- Severity
- 8.3 High
- Published
- Aug 12, 2026
- Updated
- Aug 12, 2026
- Reserved
- Aug 11, 2026
Description
Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.21, the /api/users/{id}/password endpoint accepts a cross-site request using the authenticated user's semaphore session cookie without CSRF protection or current-password confirmation, allowing an unauthenticated attacker to change an administrator's or another user's password after user interaction. This issue is fixed in version 2.18.21.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L | GitHub_M |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
semaphoresemaphoreui |
|
References
- https://github.com/semaphoreui/semaphore/security/advisories/GHSA-8cj9-r88m-8945
- https://github.com/semaphoreui/semaphore/commit/2d6e2e3eb10e8bf688e2ab59609b909a012fad4c
- https://github.com/semaphoreui/semaphore/commit/c59c3dc9035badcbf0609c7d35679c06e590a956
- https://github.com/semaphoreui/semaphore/releases/tag/v2.18.21
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