{"id":"CVE-2026-73294","sourceIdentifier":"security-advisories@github.com","published":"2026-08-12T16:17:22.640","lastModified":"2026-10-24T15:10:00.190","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Semaphore UI es una interfaz web para gestionar herramientas DevOps. Antes de 2.18.17 y 2.19.5-beta2, el manejo de git_url del repositorio pasa una opción --upload-pack controlada por el atacante a CmdGitClient.GetLastRemoteCommitHash a través de POST /API/project/{id}/repositories y el sondeo programado de commit-hash, permitiendo a un Gerente o Propietario de proyecto ejecutar comyos arbitrarios del sistema operativo en el proceso del servidor Semaphore. Este problema está solucionado en las versiones 2.18.17 y 2.19.5-beta2."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"semaphoreui","product":"semaphore","versions":[{"version":"< 2.18.17","status":"affected"},{"version":">= 2.19.0-alpha3, < 2.19.5-beta2","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.1,"impactScore":6.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-12T16:03:17.361594Z","id":"CVE-2026-73294","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-78"},{"lang":"en","value":"CWE-88"}]}],"references":[{"url":"https://github.com/semaphoreui/semaphore/commit/7e8a9434bd81b82cf42220151c74801ea97542d6","source":"security-advisories@github.com"},{"url":"https://github.com/semaphoreui/semaphore/commit/a7a7a33a64aea382a0726b3722856f298663eacf","source":"security-advisories@github.com"},{"url":"https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p","source":"security-advisories@github.com"},{"url":"https://github.com/semaphoreui/semaphore/tree/v2.18.17","source":"security-advisories@github.com"},{"url":"https://github.com/semaphoreui/semaphore/tree/v2.19.5-beta2","source":"security-advisories@github.com"},{"url":"https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}