{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-73294", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T16:03:17.361594Z"}}}], "references": [{"url": "https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-12T16:03:34.494Z"}}], "cna": {"title": "Semaphore U: OS Command Injection", "source": {"advisory": "GHSA-xp7j-h7jc-4w8p", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "semaphoreui", "product": "semaphore", "versions": [{"status": "affected", "version": "< 2.18.17"}, {"status": "affected", "version": ">= 2.19.0-alpha3, < 2.19.5-beta2"}]}], "references": [{"url": "https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p", "name": "https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/semaphoreui/semaphore/commit/7e8a9434bd81b82cf42220151c74801ea97542d6", "name": "https://github.com/semaphoreui/semaphore/commit/7e8a9434bd81b82cf42220151c74801ea97542d6", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/semaphoreui/semaphore/commit/a7a7a33a64aea382a0726b3722856f298663eacf", "name": "https://github.com/semaphoreui/semaphore/commit/a7a7a33a64aea382a0726b3722856f298663eacf", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/semaphoreui/semaphore/tree/v2.18.17", "name": "https://github.com/semaphoreui/semaphore/tree/v2.18.17", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/semaphoreui/semaphore/tree/v2.19.5-beta2", "name": "https://github.com/semaphoreui/semaphore/tree/v2.19.5-beta2", "tags": ["x_refsource_MISC"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-88", "description": "CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-12T15:55:00.560Z"}}}, "cveMetadata": {"cveId": "CVE-2026-73294", "state": "PUBLISHED", "dateUpdated": "2026-08-12T16:03:38.426Z", "dateReserved": "2026-08-11T19:42:11.450Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-08-12T15:55:00.560Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "semaphore", "vendor": "semaphoreui", "versions": [{"status": "affected", "version": "< 2.18.17"}, {"status": "affected", "version": ">= 2.19.0-alpha3, < 2.19.5-beta2"}]}], "source": "security-advisories@github.com"}], "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."}], "id": "CVE-2026-73294", "lastModified": "2026-08-12T17:17:32.527", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73294", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-12T16:03:17.361594Z", "version": "2.0.3"}}]}, "published": "2026-08-12T16:17:22.640", "references": [{"source": "security-advisories@github.com", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/semaphoreui/semaphore/security/advisories/GHSA-xp7j-h7jc-4w8p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-88"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.18.17)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.19.0-alpha3,2.19.5-beta2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "semaphore", "source": "cna", "vendor": "semaphoreui"}, "product": "semaphore", "vendor": "semaphoreui"}], "created": "2026-08-13T01:00:10.677244+00:00", "updated": "2026-08-13T09:48:26.185500+00:00", "vendors": ["semaphoreui", "semaphoreui$PRODUCT$semaphore"]}