CVE-2026-119409: fallo de gravedad alta en opnsense core
OPNsense before 26.7.8 Root Command Injection via Firmware Mirror Setting
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.6epss 2.5%
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.
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
Productos afectados
opnsense · coreCVEs relacionadas — opnsense core
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-44194CRITICALOPNsense: RCE on user managmentEPSS 5.7%CVE-2026-57155CRITICALOPNsense: Root RCE via Arbitrary File Write in GeoIP Alias ImporterEPSS 0.9%CVE-2026-53582HIGHOPNsense: XPATH Injection can disclose any secret in config.xmlEPSS 0.7%CVE-2026-44193CRITICALOPNsense: RCE via XMLRPC endpoint using `opnsense.restore_config_section` methodEPSS 0.7%CVE-2026-58390HIGHOPNsense: Stored XSS to root RCE via OpenVPN client common_name in status viewsEPSS 0.6%CVE-2026-45158CRITICALOPNsense: Command Injection via Attacker-Controlled DHCP ConfigEPSS 0.5%
Referencias
https://abraxaslabs.tech/research/opnsense-firmware-mirror-sedhttps://github.com/opnsense/corehttps://github.com/opnsense/core/commit/1cc41fc39da99d59818c789b3b561f1515126f47https://github.com/opnsense/core/commit/8e214533d33c3af7481e86f616ee615adc6a0a73https://github.com/opnsense/core/security/advisories/GHSA-p683-f7x2-pm4phttps://github.com/opnsense/update/blob/a2b8a10ba85f13b2cd002abb4c8692dde99f0261/src/update/opnsense-update.sh.in#L165https://github.com/opnsense/update/commit/9bfd3b7020499b6032ee64804193a9f3ce8178fahttps://www.vulncheck.com/advisories/opnsense-before-26.7.8-root-command-injection-via-firmware-mirror-setting