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CVE-2026-72529

Quick assessment

Affected
TrueConf TrueConf Server
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TrueConf server是立陶宛TrueConf公司的一款视频会议服务器。 TrueConf server 5.3.9之前版本、5.4.9之前版本和5.5.5之前版本存在授权问题漏洞，该漏洞源于调用未文档化函数，可能导致未经身份验证的远程攻击者通过4307/TCP端口执行任意脚本。

CVSS 9.8 · Critical KEV EPSS 0.78% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
TrueConf TrueConf Server *< 5.3 affected
5.3< 5.3.9 affected
5.4< 5.4.9 affected
5.5< 5.5.5 affected
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I. Basic Information for CVE-2026-72529

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
TrueConf server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TrueConf server是立陶宛TrueConf公司的一款视频会议服务器。 TrueConf server 5.3.9之前版本、5.4.9之前版本和5.5.5之前版本存在授权问题漏洞，该漏洞源于调用未文档化函数，可能导致未经身份验证的远程攻击者通过4307/TCP端口执行任意脚本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TrueConf TrueConf Server * ~ 5.3 -

II. Public POCs for CVE-2026-72529

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III. Intelligence Information for CVE-2026-72529

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Vendor Advisories for CVE-2026-72529 (1)

IV. Related Vulnerabilities

Same product: TrueConf Server
Same vendor: TrueConf
Same weakness: CWE-306

V. Comments for CVE-2026-72529

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