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Critical · 9.0 Known exploited Public exploit CVE-2026-72530 EUVD-2026-62588GHSA-f8q9-f337-2p3r

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 …

Published Aug 19, 2026 · Updated Aug 21, 2026 · Assigned by Kaspersky

Vendor: TrueConf Product: TrueConf Server

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.

Affected products

VendorProductAffectedFixed
TrueConf TrueConf Server < 5.3, 5.3 – < 5.3.9, 5.4 – < 5.4.9, 5.5 – < 5.5.5 5.3

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • fevar54/CVE-2026-72530-TrueConf-Sandbox-Escape- ★ 0 · Aug 25, 2026

    Este repositorio contiene una demostración educativa de la mitigación y detección para **CVE-2026-72530**, una vulnerabilidad crítica de **Code Injection y Sandbox Escape** en TrueConf Server.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References