{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73294","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-11T19:42:11.450Z","datePublished":"2026-08-12T15:55:00.560Z","dateUpdated":"2026-08-12T16:03:38.426Z"},"containers":{"cna":{"title":"Semaphore U: OS Command Injection","problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-88","lang":"en","description":"CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p"},{"name":"https://github.com/semaphoreui/semaphore/commit/7e8a9434bd81b82cf42220151c74801ea97542d6","tags":["x_refsource_MISC"],"url":"https://github.com/semaphoreui/semaphore/commit/7e8a9434bd81b82cf42220151c74801ea97542d6"},{"name":"https://github.com/semaphoreui/semaphore/commit/a7a7a33a64aea382a0726b3722856f298663eacf","tags":["x_refsource_MISC"],"url":"https://github.com/semaphoreui/semaphore/commit/a7a7a33a64aea382a0726b3722856f298663eacf"},{"name":"https://github.com/semaphoreui/semaphore/tree/v2.18.17","tags":["x_refsource_MISC"],"url":"https://github.com/semaphoreui/semaphore/tree/v2.18.17"},{"name":"https://github.com/semaphoreui/semaphore/tree/v2.19.5-beta2","tags":["x_refsource_MISC"],"url":"https://github.com/semaphoreui/semaphore/tree/v2.19.5-beta2"}],"affected":[{"vendor":"semaphoreui","product":"semaphore","versions":[{"version":"< 2.18.17","status":"affected"},{"version":">= 2.19.0-alpha3, < 2.19.5-beta2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-12T15:55:00.560Z"},"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."}],"source":{"advisory":"GHSA-xp7j-h7jc-4w8p","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T16:03:17.361594Z","id":"CVE-2026-73294","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-12T16:03:38.426Z"}}]}}