CVE-2026-119425Medium· 5.4▾ SunlitOPNsense core 26.1.6 through 26.7.7 contains an authentication bypass vulnerability in the captive portal roaming feature that lets unauthenticated attackers hijack authorized client sessions by spoofing unauthenticated MAC-to-IP observa…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
OPNsense core 26.1.6 through 26.7.7 contains an authentication bypass vulnerability in the captive portal roaming feature that lets unauthenticated attackers hijack authorized client sessions by spoofing unauthenticated MAC-to-IP observations. Attackers on the same Layer-2 segment can send forged gratuitous ARP replies binding their IP to a victim's MAC, gaining portal access with traffic attributed to the victim.
core >= 26.1.6 <= 26.7.7Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-119409High· 7.2OPNsense before 26.7.8 Root Command Injection via Firmware Mirror Setting
CVE-2026-119560Medium· 5.9OPNsense core through 26.7.8 NTP Configuration Injection via GPS and PPS Fudge Fields
CVE-2026-119423Medium· 5.3OPNsense core before 26.7.8 Lockout IP Planting via WebGUI Login Username
CVE-2026-119424Medium· 6.8OPNsense before 26.7.8 Wireless WPA Configuration Line Injection via Identity
CVE-2026-57154High· 8.1OPNsense: Configuration line injection via multiple GUI text fields
CVE-2026-117533Medium· 4.4REDAXO 5.18.0 before 5.21.4 Stored XSS via Unsanitized Mediapool SVG Uploads