CVE-2026-51080

{"id": "CVE-2026-51080", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-51080", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-17T16:54:51.178660Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2026-07-17T14:17:24.270", "references": [{"url": "https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/post-849970", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-611"}]}], "descriptions": [{"lang": "en", "value": "libpvestorage-perl v9.1.1 and libpve-storage-perl v8.3.7 were discovered to contain an XML External Entity (XXE) vulnerability."}], "lastModified": "2026-08-11T23:41:07.787", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:proxmox:libpve-storage-perl:8.3.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B1D9478-FD89-4CF2-8400-3C2EBF019A90"}, {"criteria": "cpe:2.3:a:proxmox:libpve-storage-perl:9.1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F860E1-EC00-4CDB-8623-19C29135DD33"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}