Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-72529 Details

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 execute an arbitrary script by calling an undocumented function.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://securelist.com/tr/head-mare-targets-trueconf-server-with-phantomcore/120988/ CISA-ADPExploitThird Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-72529 CISA-ADPUS Government Resource
https://ics-cert.kaspersky.com/advisories/2026/08/11/trueconf-server-missing-authentication-for-critical-function/ [email protected]Third Party Advisory

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability NameDate AddedDue DateRequired Action
TrueConf Server Missing Authentication for Critical Function VulnerabilityAug 20, 2026Aug 23, 2026Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). 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.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-306Missing Authentication for Critical Function[email protected]

Affected Products

ProductVersions
trueconf trueconf server
< 5.3.9.10013
< 5.3.9.10015
>= 5.4.0.12689, < 5.4.9.10072
>= 5.4.0.12700, < 5.4.9.10019
>= 5.5.0.13826, < 5.5.5.10010

CPE

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

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72529
NVD Published Date:
Aug 19, 2026
NVD Last Modified:
Aug 21, 2026
Source:
[email protected]