CVE-2026-73292

CVE-2026-73292 – Cambio de contraseña por CSRF en Semaphore UI Solo con fines educativos y de divulgación responsable. Esta vulnerabilidad ha sido reportada en GHSA-8cj9-r88m-8945 y afecta a las versiones de semaphoreui anteriores a la 2.18.21. Vulnerabilidad El endpoint de cambio de contraseña d...

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 taskrunner roles can read all project environments including plaintext secrets, credentials, and passwords via GET requests to the environment endpoi...

CVE-2026-91994 Semaphore UI through 2.19.12 Missing Authorization on GET and HEAD Requests

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

CVE-2026-91994

Semaphore UI through 2.19.12 contains a missing authorization vulnerability in the GetMustCanMiddleware component. The middleware exempts GET and HEAD requests from project resource permission checks, allowing attackers with guest or task_runner roles to read all project environments—including pl...

EUVD-2026-57320

Semaphore U: OS Command Injection...

EUVD-2026-57317

Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision...

GHSA-CXVF-GVFQ-36W2 Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision

Summary Semaphore resolves a project member's effective permissions in ProjectMiddleware by looking up a role row whose slug matches the member's assigned role, and overwrites the built-in permission bitmask with that row's value. A member holding the built-in manager role creates a custom projec...

Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision

Summary Semaphore resolves a project member's effective permissions in ProjectMiddleware by looking up a role row whose slug matches the member's assigned role, and overwrites the built-in permission bitmask with that row's value. A member holding the built-in manager role creates a custom projec...

GHSA-8CJ9-R88M-8945 Semaphore UI: CSRF vulnerability on password change endpoint - No CSRF token or password confirmation

Summary The password change form is vulnerable to CSRF, allowing an attacker to change a user password even the administrator by tricking a connected user to visit a malicious website. The vulnerability has been tested with version 2.18.20. Details The password change endpoint of Semaphore UI doe...

EUVD-2026-57311

Semaphore UI: CSRF vulnerability on password change endpoint - No CSRF token or password confirmation...

Semaphore UI: CSRF vulnerability on password change endpoint - No CSRF token or password confirmation

Summary The password change form is vulnerable to CSRF, allowing an attacker to change a user password even the administrator by tricking a connected user to visit a malicious website. The vulnerability has been tested with version 2.18.20. Details The password change endpoint of Semaphore UI doe...

CVE-2026-73293

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.19 and from 2.19.0-alpha3 until 2.19.5-beta5, ProjectMiddleware and GetProjectOrGlobalRoleBySlug allow a project manager to use POST /api/project/id/roles to create a custom manager role with permission bitmask 15, overridin...

CVE-2026-73294

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.17 and 2.19.5-beta2, repository giturl handling passes an attacker-controlled --upload-pack option to CmdGitClient.GetLastRemoteCommitHash through POST /api/project/id/repositories and scheduled commit-hash polling, allowing...

CVE-2026-73292

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...

CVE-2026-73294

Semaphore UI prior to versions 2.18.17 and 2.19.5-beta2 is affected by an OS command injection in the repository git_url handling. The flaw allows an attacker with project Manager/Owner privileges to influence CmdGitClient.GetLastRemoteCommitHash via a crafted --upload-pack option sent through PO...

CVE-2026-73294 Semaphore U: OS Command Injection

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.17 and 2.19.5-beta2, repository giturl handling passes an attacker-controlled --upload-pack option to CmdGitClient.GetLastRemoteCommitHash through POST /api/project/id/repositories and scheduled commit-hash polling, allowing...

CVE-2026-73294

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.17 and 2.19.5-beta2, repository giturl handling passes an attacker-controlled --upload-pack option to CmdGitClient.GetLastRemoteCommitHash through POST /api/project/id/repositories and scheduled commit-hash polling, allowing...

CVE-2026-73294 Semaphore U: OS Command Injection

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.17 and 2.19.5-beta2, repository giturl handling passes an attacker-controlled --upload-pack option to CmdGitClient.GetLastRemoteCommitHash through POST /api/project/id/repositories and scheduled commit-hash polling, allowing...

CVE-2026-73293

CVE-2026-73293 affects Semaphore UI. Prior to 2.18.19 and from 2.19.0-alpha3 until 2.19.5-beta5, the combination of ProjectMiddleware and GetProjectOrGlobalRoleBySlug allows a project manager to create a custom manager role via POST /api/project/{id}/roles with permission bitmask 15, which overri...

CVE-2026-73293 Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision

Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.19 and from 2.19.0-alpha3 until 2.19.5-beta5, ProjectMiddleware and GetProjectOrGlobalRoleBySlug allow a project manager to use POST /api/project/id/roles to create a custom manager role with permission bitmask 15, overridin...