CVE WatchJul 16, 2026

CVE-2026-53449

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 take

CVSS

6.0

Medium

EPSS

0.2%

p11

KEV

—

Exploit Today

0-100

Published: Jul 10, 2026 · Last modified: Jul 16, 2026 · CWE-73

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-07-112026-07-17

Technical description

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.

Official references

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