CVE-2026-82636

{"id": "CVE-2026-82636", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82636", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-31T16:47:32.785169Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.9, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.2}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "Qubes OS", "product": "Qubes OS", "versions": [{"status": "affected", "version": "0", "lessThan": "qubes-core-dom0-linux 4.3.22", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-30T14:17:03.310", "references": [{"url": "https://news.ycombinator.com/item?id=49496918", "source": "cve@mitre.org"}, {"url": "https://www.qubes-os.org/news/2026/08/29/qsb-118/", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm call from dom0 to an attacker-controlled qube, because the \"system\" library function is used to process an error message that may have shell metacharacters. This occurs in core-admin-linux/file-copy-vm/qfile-dom0-agent.c."}], "lastModified": "2026-09-08T19:42:20.313", "sourceIdentifier": "cve@mitre.org"}