{"id":"CVE-2026-119409","aliases":[],"cve":{"records":[{"id":"CVE-2026-119409","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T01:22:43.836Z","published":"2026-10-30T11:30:46.595Z","modified":"2026-10-30T15:55:57.541Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T11:30:46.595Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T15:55:57.541Z"}],"references":[{"url":"https://github.com/opnsense/core/security/advisories/GHSA-p683-f7x2-pm4p","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://github.com/opnsense/core/commit/1cc41fc39da99d59818c789b3b561f1515126f47","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/opnsense/core/commit/8e214533d33c3af7481e86f616ee615adc6a0a73","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/opnsense/update/commit/9bfd3b7020499b6032ee64804193a9f3ce8178fa","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/opnsense/update/blob/a2b8a10ba85f13b2cd002abb4c8692dde99f0261/src/update/opnsense-update.sh.in#L165","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://abraxaslabs.tech/research/opnsense-firmware-mirror-sed","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/opnsense/core","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/opnsense-before-26.7.8-root-command-injection-via-firmware-mirror-setting","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-78","description":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*","versionEndExcluding":"26.7.8"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T15:34:50.876282Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"OPNsense before 26.7.8 Root Command Injection via Firmware Mirror Setting","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"OPNsense before 26.7.8 contains a command injection vulnerability that allows authenticated users with the System: Firmware privilege to execute commands as root by storing a malicious firmware mirror URL. Attackers can submit shell metacharacters through POST /api/core/firmware/set that opnsense-update evaluates with eval, and can also disable package signature verification through sed injection.","score":8.6,"severity":"high","published":"2026-10-30T11:30:46.595Z","modified":"2026-10-30T15:55:57.541Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"opnsense","name":"core","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"26.7.8","versionType":"semver"},{"version":"26.7.8","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119409"}],"remediation":[],"references":["https://github.com/opnsense/core/security/advisories/GHSA-p683-f7x2-pm4p","https://github.com/opnsense/core/commit/1cc41fc39da99d59818c789b3b561f1515126f47","https://github.com/opnsense/core/commit/8e214533d33c3af7481e86f616ee615adc6a0a73","https://github.com/opnsense/update/commit/9bfd3b7020499b6032ee64804193a9f3ce8178fa","https://github.com/opnsense/update/blob/a2b8a10ba85f13b2cd002abb4c8692dde99f0261/src/update/opnsense-update.sh.in#L165","https://abraxaslabs.tech/research/opnsense-firmware-mirror-sed","https://github.com/opnsense/core","https://www.vulncheck.com/advisories/opnsense-before-26.7.8-root-command-injection-via-firmware-mirror-setting"],"sources":[{"name":"CVE","id":"CVE-2026-119409","modified":"2026-10-30T15:55:57.541Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119409"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.6},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2}],"sourceAffected":[],"observedAt":"2026-10-30T17:19:42.404Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:10:32.801Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"OPNsense before version 26.7.8 has a command injection vulnerability, allowing authenticated users with System: Firmware privilege to execute commands as root. Attackers can submit malicious input through the firmware mirror setting.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T11:51:21.006Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119409"}]}}