Is CVE-2026-72530 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-72530?

CVE-2026-72530 has a CVSS v3 severity of CRITICAL (9).

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CVE-2026-72530

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.