CVE-2026-72529

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 execute an arbitrary script by calling an undocumented function.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://ics-cert.kaspersky.com/advisories/2026/08/11/trueconf-server-missing-authentication-for-critical-function/	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-2026-72529	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-2026-72529

Mitre link : CVE-2026-72529

CVE.ORG link : CVE-2026-72529

JSON object : View

Products Affected

trueconf

trueconf_server

CWE

CWE-306

Missing Authentication for Critical Function

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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 Missing Authentication for Critical Function Vulnerability"}