PT-2026-71145 · Unknown · Semaphore Ui
CVE-2026-73294
·
Published
2026-08-12
·
Updated
2026-09-10
CVSS v3.1
9.9
Critical
| Vector | AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Semaphore UI versions prior to 2.18.17
Semaphore UI versions prior to 2.19.5-beta2
Description
Improper handling of the
git url variable allows a project Manager or Owner to execute arbitrary OS commands within the server process. This occurs when the application passes an attacker-controlled --upload-pack option to the CmdGitClient.GetLastRemoteCommitHash() function via the 'POST /api/project/{id}/repositories' endpoint and during scheduled commit-hash polling.Recommendations
Update to version 2.18.17 or later.
Update to version 2.19.5-beta2 or later.
Exploit
Fix
OS Command Injection
Argument Injection
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Related Identifiers
Affected Products
Semaphore Ui