CVE-2026-72529

Missing Authentication for Critical Function in TrueConf Server. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 20 August 2026.

Product
TrueConf Server
Added to CISA's catalog
Federal fix-by date
Ransomware
No known use in ransomware campaigns

CISA’s description.

TrueConf Server contains a missing authentication for critical function vulnerability which could allow a remote unauthorized attacker with network access via port 4307/TCP to execute an arbitrary script.

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.