Opnsense
CVE-2026-119425: OPNsense core 26.1.6 through 26.7.7 contains an authentication bypass vulnerability in the captive portal roaming feature that lets unauthenticated attackers hi
CVE-2026-119425 Oct 30, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-119425
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CVE-2026-119425
BR2026-0000-039757
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Credited as lujiefsi
CVE-2026-119425
BR2026-0000-039758
unclaimed
Credited as Abraxas Labs