CVE-2026-45158

{"id": "CVE-2026-45158", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "published": "2026-05-13T22:16:46.363", "references": [{"url": "https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-88"}]}], "descriptions": [{"lang": "en", "value": "OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability is fixed in 26.1.8."}], "lastModified": "2026-05-15T16:19:38.600", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0EDE7AC-7C9D-4244-9120-DA3CDB7AAB2C", "versionEndExcluding": "26.1.8"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}