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CVE-2026-72530: TrueConf Server Code

Status: KEV  |  Advisory ID: CVE-2026-72530

Key Details

CVECVE-2026-72530
CVSSCVSS 9.0 (Critical): attack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high. (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)
Affected productsTrueConf Server and TrueConf TrueConf Server
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-94 (Improper Control of Generation of Code ('Code Injection'))
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-08-20.
Federal remediation deadline2026-09-03 (CISA KEV, Binding Operational Directive).

What to Know

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.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-72530