CVE-2026-7574

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Claude Desktop Cowork", "vendor": "Anthropic", "versions": [{"lessThanOrEqual": "1.2278.0", "status": "affected", "version": "1.1348.0", "versionType": "semver"}]}], "source": "cve@takeonme.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Anthropic Claude Desktop Cowork VM image handling (confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0) validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local attacker with unprivileged code execution as the victim macOS user can modify the VM root filesystem image and have it trusted on subsequent Cowork VM boots, enabling persistent arbitrary code execution in the VM and access to host-mounted directories. The estimated CWE mapping is CWE-353 (Missing Support for Integrity Check)."}, {"lang": "es", "value": "Gesti\u00f3n de im\u00e1genes de VM de Anthropic Claude Desktop Cowork (confirmado en las versiones v1.1348.0 a v1.2278.0, incluyendo v1.1348.0, v1.1617.0 y v1.2278.0) valida solo la presencia del archivo y una cadena de marcador de versi\u00f3n antes de arrancar rootfs.img, pero no verifica la integridad del contenido de la imagen en el momento de su uso. Un atacante local con ejecuci\u00f3n de c\u00f3digo sin privilegios como el usuario de macOS v\u00edctima puede modificar la imagen del sistema de archivos ra\u00edz de la VM y hacer que sea de confianza en los arranques posteriores de la VM de Cowork, lo que permite la ejecuci\u00f3n de c\u00f3digo arbitrario persistente en la VM y el acceso a directorios montados en el host. La asignaci\u00f3n CWE estimada es CWE-353 (Falta de soporte para la verificaci\u00f3n de integridad)."}], "id": "CVE-2026-7574", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "cve@takeonme.org", "type": "Secondary"}], "ssvcV203": [{"source": "cve@takeonme.org", "ssvcData": {"options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CNA", "version": "2.0.3"}}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-7574", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-24T13:03:53.789182Z", "version": "2.0.3"}}]}, "published": "2026-06-24T00:16:34.173", "references": [{"source": "cve@takeonme.org", "url": "https://cfp.recon.cx/recon-2026/talk/DZUQYU/"}, {"source": "cve@takeonme.org", "url": "https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000001110111111101011111111110000000000000000000000000000000000000000000000000000001010"}], "sourceIdentifier": "cve@takeonme.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-353"}], "source": "cve@takeonme.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.1348.0,1.2278.0]"}}], "enrichment": {"confidence": 87.0, "confidence_source": "matching", "scores": [{"score": 87.0, "source": "matching"}]}, "original": {"product": "Claude Desktop Cowork", "source": "cna", "vendor": "Anthropic"}, "product": "claude_desktop", "vendor": "anthropic"}], "created": "2026-06-24T03:30:05.211707+00:00", "updated": "2026-06-24T16:00:06.904638+00:00", "vendors": ["anthropic", "anthropic$PRODUCT$claude_desktop"]}