{"cve":"CVE-2026-73294","nvd":{"published":"2026-08-12T16:17:22.640","modified":"2026-10-24T15:10:00.190","status":"Deferred","description":"Semaphore UI is a web interface for managing DevOps tools. Prior to 2.18.17 and 2.19.5-beta2, repository git_url handling passes an attacker-controlled --upload-pack option to CmdGitClient.GetLastRemoteCommitHash through POST /api/project/{id}/repositories and scheduled commit-hash polling, allowing a project Manager or Owner to execute arbitrary OS commands in the Semaphore server process. This issue is fixed in versions 2.18.17 and 2.19.5-beta2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9},"cwes":["CWE-78","CWE-88"],"references":["https://github.com/semaphoreui/semaphore/commit/7e8a9434bd81b82cf42220151c74801ea97542d6","https://github.com/semaphoreui/semaphore/commit/a7a7a33a64aea382a0726b3722856f298663eacf","https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p","https://github.com/semaphoreui/semaphore/tree/v2.18.17","https://github.com/semaphoreui/semaphore/tree/v2.19.5-beta2"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-73294","score":0.0065,"percentile":0.50838,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-xp7j-h7jc-4w8p","url":"https://osv.dev/vulnerability/GHSA-xp7j-h7jc-4w8p","summary":"Semaphore U: OS Command Injection","modified":"2026-09-10T15:25:29.058724876Z","packages":[{"ecosystem":"Go","name":"github.com/semaphoreui/semaphore","purl":"pkg:golang/github.com/semaphoreui/semaphore","ranges":["<0.0.0-20260704181911-7e8a9434bd81"],"fixed":["0.0.0-20260704181911-7e8a9434bd81"]}]},{"id":"GO-2026-6435","url":"https://osv.dev/vulnerability/GO-2026-6435","summary":"Semaphore U: OS Command Injection in github.com/semaphoreui/semaphore","modified":"2026-09-10T15:25:29.058724876Z","packages":[{"ecosystem":"Go","name":"github.com/semaphoreui/semaphore","purl":"pkg:golang/github.com/semaphoreui/semaphore","ranges":["<0.0.0-20260704181911-7e8a9434bd81"],"fixed":["0.0.0-20260704181911-7e8a9434bd81"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}