What is CVE-2026-72530?

CVE-2026-72530 is a critical-severity vulnerability in Trueconf Server, classified under Code Injection. CVSS score: 9.0/10. Published 2026-08-19.

How severe is CVE-2026-72530?

Critical severity. CVSS v3 base score is 9.0 out of 10.

RCE in Trueconf Server

CVE-2026-72530

A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Trueconf Server

Weakness classification (CWE)

CWE-94 — Code Injection

References

vulnerability@kaspersky.com (third-party-advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0

Frequently asked questions

What is CVE-2026-72530?: CVE-2026-72530 is a critical-severity vulnerability in Trueconf Server, classified under Code Injection. CVSS score: 9.0/10. Published 2026-08-19.
How severe is CVE-2026-72530?: Critical severity. CVSS v3 base score is 9.0 out of 10.