EUVD-2026-27434

Tunnelblick is an open source graphic user interface for OpenVPN on macOS. In versions 3.3beta26 through 9.0beta01, any local user can read arbitrary root-owned files by exploiting a symlink following vulnerability in tunnelblick-helper, reachable through the world-accessible tunnelblickd Unix...

CVE-2026-31893

CVE-2026-31893 describes a symlink-following vulnerability in Tunnelblick on macOS. From versions 3.3beta26 through 9.0beta01, a local user can cause tunnelblick-helper to read a root-owned file by leveraging a symlink to a target file via the world-accessible tunnelblickd Unix socket (mode 0666)...