— Unscored

TrueConf Server Code Injection Vulnerability

CVE-2026-72530 Exploited

TrueConf Server contains a code injection vulnerability that could allow an unauthorized remote attacker with network access via port 4307/TCP to use a specially crafted script to break out of the isolated environment and execute arbitrary code on the host system.

Being exploited in the wild

Catalogued 20 August 2026 · US federal remediation deadline 3 September 2026

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…

Exploit code is also public: Public PoC

Public PoCfevar54/CVE-2026-72530-TrueConf-Sandbox-Escape-

Assessment

CVSS: Not yet scored
Severity: Unscored
Known exploited: Yes — listed in the CISA KEV catalog
Exploit availability: CISA KEV, Public PoC
Published: 20 August 2026
Last updated: 20 August 2026
Affected: TrueConf · Server
Weakness: CWE-94

At the source

CISA KEV

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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