Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Coturn Project | Coturn | < 4.13.0 |
Related Weaknesses (CWE)
References
- https://github.com/coturn/coturn/commit/e72930f571beba3bc7a9f97661af2614aae92a55Patch
- https://github.com/coturn/coturn/releases/tag/4.13.0Release Notes
- https://github.com/coturn/coturn/security/advisories/GHSA-jj76-vwjw-w34rExploitThird Party Advisory
- https://github.com/coturn/coturn/security/advisories/GHSA-jj76-vwjw-w34rExploitThird Party Advisory
FAQ
What is CVE-2026-53449?
CVE-2026-53449 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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 n...
How severe is CVE-2026-53449?
CVE-2026-53449 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53449?
Check the references section above for vendor advisories and patch information. Affected products include: Coturn Project Coturn.