Is itCheck something

No. CVE-2026-72529

A TrueConf Server bug is being used in attacks

Being used now

Yes. Attackers are using this right now.

What to do

Apply the vendor's update. If there is none, stop using it or cut it off from the internet.

Confirmed in attacks
Aug 20, 2026
Product
TrueConf Server
Attack likelihood, next 30 days
1.5%

Attack likelihood is EPSS, a daily estimate from FIRST.org of how likely this bug is to be used in attacks in the next 30 days.

The official 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.

For your tech helper

A read-only checklist for whoever helps you with your computer, or an AI assistant. Paste it into Claude, ChatGPT or a coding agent; it only looks and changes nothing.

Read-only check, change nothing, send nothing anywhere.
Is TrueConf Server (CVE-2026-72529) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-72529. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

Sources