CVE-2026-79994 — Docker Sandboxes UDS forwarder can reach arbitrary host Unix sockets through a symlink race
The guest-to-host Unix-domain socket relay in Docker Sandboxes validates that a socket path is inside an authorized workspace, but later reconnects using the pathname. A malicio…
Published: 2026-09-15 · CVSS: 8.7 · CVSS 4.0
The guest-to-host Unix-domain socket relay in Docker Sandboxes validates that a socket path is inside an authorized workspace, but later reconnects using the pathname. A malicious guest can replace an intermediate directory with a symlink between validation and connection, causing the host to connect to an arbitrary AF_UNIX socket outside the shared workspace. This can expose data or host-side capabilities provided by the targeted socket.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7