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CVE-2026-72530

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之前的5.3.x版本、5.4.9之前的5.4.x版本、5.5.5之前的5.5.x版本和5.3之前版本存在代码注入漏洞，该漏洞源于对特制脚本处理不当，远程未授权攻击者可通过端口4307/TCP网络访问逃逸隔离环境并在主机系统上执行任意代码。

CVSS 9.0 · Critical KEV EPSS 0.97% · P59

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-2026-72530

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 use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
TrueConf server 代码注入漏洞
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之前的5.3.x版本、5.4.9之前的5.4.x版本、5.5.5之前的5.5.x版本和5.3之前版本存在代码注入漏洞，该漏洞源于对特制脚本处理不当，远程未授权攻击者可通过端口4307/TCP网络访问逃逸隔离环境并在主机系统上执行任意代码。
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-2026-72530

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III. Intelligence Information for CVE-2026-72530

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Vendor Advisories for CVE-2026-72530 (1)

IV. Related Vulnerabilities

Same product: TrueConf Server
Same vendor: TrueConf
Same weakness: CWE-94

V. Comments for CVE-2026-72530

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