CRITICAL
CVE-2026-72530
CVSS
9
KEV
Description
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.
Weakness (CWE)
CWE-94
Code Injection
EPSS Score
1.83%
Probability of exploitation in next 30 days
77.9th percentile
References
https://ics-cert.kaspersky.com/advisories/2026/08/11/trueconf-server-breakout-from-isolated-environment/
Third Party Advisory
https://securelist.com/tr/head-mare-targets-trueconf-server-with-phantomcore/120988/
Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-72530
US Government Resource
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.