CVE-2026-45158

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45158", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-08T20:44:38.964Z", "datePublished": "2026-05-13T21:54:31.679Z", "dateUpdated": "2026-05-14T12:22:09.189Z"}, "containers": {"cna": {"title": "OPNsense: Command Injection via Attacker-Controlled DHCP Config", "problemTypes": [{"descriptions": [{"cweId": "CWE-88", "lang": "en", "description": "CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm"}], "affected": [{"vendor": "opnsense", "product": "core", "versions": [{"version": "< 26.1.8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-13T21:54:31.679Z"}, "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."}], "source": {"advisory": "GHSA-5rx3-w735-74wm", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-14T12:22:02.967181Z", "id": "CVE-2026-45158", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T12:22:09.189Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"title": "OPNsense: Command Injection via Attacker-Controlled DHCP Config", "source": {"advisory": "GHSA-5rx3-w735-74wm", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"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"}}], "affected": [{"vendor": "opnsense", "product": "core", "versions": [{"status": "affected", "version": "< 26.1.8"}]}], "references": [{"url": "https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm", "name": "https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm", "tags": ["x_refsource_CONFIRM"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-88", "description": "CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-13T21:54:31.679Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-45158", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-05-14T12:22:02.967181Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-05-14T12:22:05.971Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-45158", "state": "PUBLISHED", "dateUpdated": "2026-05-13T21:54:31.679Z", "dateReserved": "2026-05-08T20:44:38.964Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-05-13T21:54:31.679Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "core", "vendor": "opnsense", "versions": [{"status": "affected", "version": "< 26.1.8"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*", "matchCriteriaId": "A0EDE7AC-7C9D-4244-9120-DA3CDB7AAB2C", "versionEndExcluding": "26.1.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"lang": "es", "value": "OPNsense es una plataforma de cortafuegos y enrutamiento basada en FreeBSD. Antes de la 26.1.8, la entrada de usuario no saneada se pasa a la configuraci\u00f3n DHCP de la interfaz configurada, que es procesada por un script de shell, permitiendo la ejecuci\u00f3n remota de c\u00f3digo como root en el sistema operativo subyacente. Esta vulnerabilidad est\u00e1 corregida en la 26.1.8."}], "id": "CVE-2026-45158", "lastModified": "2026-10-26T14:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45158", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-14T12:22:02.967181Z", "version": "2.0.3"}}]}, "published": "2026-05-13T22:16:46.363", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-88"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.1.8)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "core", "source": "cna", "vendor": "opnsense"}, "product": "core", "vendor": "opnsense"}], "created": "2026-05-13T23:30:06.736874+00:00", "updated": "2026-05-14T00:00:07.630928+00:00", "vendors": ["opnsense", "opnsense$PRODUCT$core"]}