CVE-2026-3515

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{"affected": [{"affectedData": [{"product": "prefecthq/prefect", "vendor": "prefecthq", "versions": [{"lessThanOrEqual": "latest", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the `GitHubRepository` block of the `prefect-github` integration in Prefect version 3.6.18 allows an attacker to inject arbitrary git command-line options via the `reference` field. The `reference` field is concatenated directly into a `git clone` command string without proper sanitization, and then parsed by `shlex.split()`. This enables injection of options such as `-c`, leading to potential Server-Side Request Forgery (SSRF), credential theft, or remote code execution (RCE). The vulnerability affects both the `aget_directory()` and `get_directory()` methods in `src/integrations/prefect-github/prefect_github/repository.py`. This issue does not affect the GitLab and BitBucket integrations, which use a safer list-based command construction approach."}, {"lang": "es", "value": "Una vulnerabilidad en el bloque 'GitHubRepository' de la integraci\u00f3n 'prefect-github' en la versi\u00f3n 3.6.18 de Prefect permite a un atacante inyectar opciones arbitrarias de l\u00ednea de comandos de git a trav\u00e9s del campo 'reference'. El campo 'reference' se concatena directamente en una cadena de comando 'git clone' sin una sanitizaci\u00f3n adecuada, y luego es analizado por 'shlex.split()'. Esto permite la inyecci\u00f3n de opciones como '-c', lo que lleva a una posible falsificaci\u00f3n de petici\u00f3n del lado del servidor (SSRF), robo de credenciales o ejecuci\u00f3n remota de c\u00f3digo (RCE). La vulnerabilidad afecta tanto a los m\u00e9todos 'aget_directory()' como 'get_directory()' en 'src/integrations/prefect-github/prefect_github/repository.py'. Este problema no afecta a las integraciones de GitLab y BitBucket, que utilizan un enfoque de construcci\u00f3n de comandos basado en listas m\u00e1s seguro."}], "id": "CVE-2026-3515", "lastModified": "2026-07-23T17:10:00.123", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.1, "impactScore": 4.7, "source": "security@huntr.dev", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3515", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-26T15:08:15.183188Z", "version": "2.0.3"}}]}, "published": "2026-05-24T05:16:39.167", "references": [{"source": "security@huntr.dev", "url": "https://huntr.com/bounties/f3b048b8-7f4e-45ef-a5a7-cb841c39acde"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-88"}], "source": "security@huntr.dev", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[unspecified,latest]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "prefecthq/prefect", "source": "cna", "vendor": "prefecthq"}, "product": "prefect", "vendor": "prefecthq"}], "created": "2026-05-24T06:30:05.943752+00:00", "updated": "2026-05-25T11:33:21.494845+00:00", "vendors": ["prefecthq", "prefecthq$PRODUCT$prefect"]}