CVE-2026-53449

A flaw was found in Coturn, an open-source TURN and STUN server. An authenticated administrator with command-line interface CLI access could exploit a vulnerability in the psd print sessions dump command. This flaw allows the administrator to overwrite arbitrary files on the system that are...

CVE-2026-53449 Coturn: Arbitrary File Write via CLI psd Command

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, the psd print sessions dump CLI command in coturn takes a filename argument and directly passes it to fopen with no path validation. An authenticated admin with CLI access can overwrite arbitrary files writable ...