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.

CVSS v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:trueconf:trueconf_server::::::windows::*
	cpe:2.3:a:trueconf:trueconf_server::::::linux_kernel::*
	cpe:2.3:a:trueconf:trueconf_server::::::windows::*
	cpe:2.3:a:trueconf:trueconf_server::::::linux_kernel::*
	cpe:2.3:a:trueconf:trueconf_server::::::windows::*
	cpe:2.3:a:trueconf:trueconf_server::::::linux_kernel::*

History

No history.

Information

Published : 2026-08-19 17:21

Updated : 2026-08-21 04:18

NVD link : CVE-2026-72530

Mitre link : CVE-2026-72530

CVE.ORG link : CVE-2026-72530

JSON object : View

Products Affected

trueconf

trueconf_server

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "TrueConf Server Code Injection Vulnerability"}