coturn: Coturn is a free open source implementation of TURN and STUN Server
CVE-2026-53449 is fixed in coturn on 1 platform by DEBIAN-CVE-2026-53449 (version 4.14.0-1), released July 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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 by the coturn process because the command string is used as-is after stripping the psd prefix and leading spaces, allowing truncation and overwrite with session dump data. This issue is fixed in version 4.13.0.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| coturn · Debian 14 | 4.14.0-1 | DEBIAN-CVE-2026-53449 | Jul 23, 2026 |
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