Emerging Threat: (CVE-2026-67281) MikroTik RouterOS Unauthenticated File Read via WebFig
CVE-2026-67281 is an unauthenticated file read vulnerability in WebFig, the web-based management interface in MikroTik RouterOS. A newly allocated session on the /jsproxy path retains a stale, uninitialized principal pointer that WebFig then uses for file authorization decisions. The vulnerability carries a CVSS v4.0 base score of 8.7 (High). A CVSS v3.1 base score has not been assigned in the CVE record at the time of writing.