CVE-2026-72530

CRITICAL(9.0)KEV

TrueConf Server Code Injection 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.

KEV Information

Vendor
TrueConf
Product
Server
Date Added
August 20, 2026
Due Date
September 3, 2026
Required Action
Apply 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.

CVSS Score

Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HOpen in Calculator
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
6.0

CWEs

CWE-94Code Injection

Improper Control of Generation of Code

Affected Products

VendorProductVersion
trueconftrueconf 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; >= 5.5.0.13828, < 5.5.5.10009

References

CVSS Score

9.0
CRITICAL(9.0)

EPSS Score

EPSS Score1.83%
EPSS Percentile77.5%

Dates

PublishedAugust 19, 2026
Last ModifiedAugust 21, 2026
StatusAnalyzed
CVSS Versionv3.1

Quick Links

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