CVE-2026-72538

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72538", "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "state": "PUBLISHED", "assignerShortName": "TuranSec", "dateReserved": "2026-08-10T10:32:49.080Z", "datePublished": "2026-08-11T11:07:35.410Z", "dateUpdated": "2026-08-11T12:38:17.275Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "shortName": "TuranSec", "dateUpdated": "2026-08-11T11:07:35.410Z"}, "title": "PrefectHQ Prefect - Argument Injection", "descriptions": [{"lang": "en", "value": "An argument injection vulnerability in PrefectHQ Prefect through 3.8.2 allows authenticated users to achieve remote code execution via the git_clone pull step branch field. The branch parameter is passed directly to git pull without sanitization, enabling injection of arbitrary git arguments. This represents a distinct code path from the incomplete fix applied for CVE-2026-5366 and allows command execution on the Prefect server."}], "affected": [{"vendor": "PrefectHQ", "product": "Prefect", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.8.2", "versionType": "custom"}]}], "references": [{"url": "https://github.com/PrefectHQ/prefect", "name": "Project Repository"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-88", "description": "CWE-88: Argument Injection"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "value": "Bobur Abdugafforov (Mahadsec)", "type": "finder"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-11T12:38:06.639285Z", "id": "CVE-2026-72538", "options": [{"Exploitation": "none"}, {"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": "2026-08-11T12:38:17.275Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72538", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-11T12:38:06.639285Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-11T12:38:10.726Z"}}], "cna": {"title": "PrefectHQ Prefect - Argument Injection", "credits": [{"lang": "en", "type": "finder", "value": "Bobur Abdugafforov (Mahadsec)"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "PrefectHQ", "product": "Prefect", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "3.8.2"}]}], "references": [{"url": "https://github.com/PrefectHQ/prefect", "name": "Project Repository"}], "descriptions": [{"lang": "en", "value": "An argument injection vulnerability in PrefectHQ Prefect through 3.8.2 allows authenticated users to achieve remote code execution via the git_clone pull step branch field. The branch parameter is passed directly to git pull without sanitization, enabling injection of arbitrary git arguments. This represents a distinct code path from the incomplete fix applied for CVE-2026-5366 and allows command execution on the Prefect server."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-88", "description": "CWE-88: Argument Injection"}]}], "providerMetadata": {"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "shortName": "TuranSec", "dateUpdated": "2026-08-11T11:07:35.410Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72538", "state": "PUBLISHED", "dateUpdated": "2026-08-11T12:38:17.275Z", "dateReserved": "2026-08-10T10:32:49.080Z", "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "datePublished": "2026-08-11T11:07:35.410Z", "assignerShortName": "TuranSec"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Prefect", "vendor": "PrefectHQ", "versions": [{"lessThanOrEqual": "3.8.2", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An argument injection vulnerability in PrefectHQ Prefect through 3.8.2 allows authenticated users to achieve remote code execution via the git_clone pull step branch field. The branch parameter is passed directly to git pull without sanitization, enabling injection of arbitrary git arguments. This represents a distinct code path from the incomplete fix applied for CVE-2026-5366 and allows command execution on the Prefect server."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n de argumentos en PrefectHQ Prefect hasta la versi\u00f3n 3.8.2 permite a usuarios autenticados lograr ejecuci\u00f3n remota de c\u00f3digo a trav\u00e9s del campo de rama del paso de extracci\u00f3n git_clone. El par\u00e1metro branch se pasa directamente a git pull sin sanitizaci\u00f3n, lo que permite la inyecci\u00f3n de argumentos git arbitrarios. Esto representa una ruta de c\u00f3digo distinta de la correcci\u00f3n incompleta aplicada para CVE-2026-5366 y permite la ejecuci\u00f3n de comandos en el servidor Prefect."}], "id": "CVE-2026-72538", "lastModified": "2026-10-24T15:10:00.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72538", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-11T12:38:06.639285Z", "version": "2.0.3"}}]}, "published": "2026-08-11T12:17:39.100", "references": [{"source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "url": "https://github.com/PrefectHQ/prefect"}], "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-88"}], "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.8.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Prefect", "source": "cna", "vendor": "PrefectHQ"}, "product": "prefect", "vendor": "prefecthq"}], "created": "2026-08-11T17:45:09.630175+00:00", "updated": "2026-08-11T18:30:19.643190+00:00", "vendors": ["prefecthq", "prefecthq$PRODUCT$prefect"]}