Vulnerability Intelligence Report
TrueConf Server Code Injection Vulnerability
CVE-2026-72530
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
9.5
CRITICAL
EPSS Probability:0.34%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-94 ↗CWE-94: Code Injection
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| TrueConf | TrueConf Server | * < 5.3 (affected), 5.3 < 5.3.9 (affected), 5.4 < 5.4.9 (affected), 5.5 < 5.5.5 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Kaspersky · Vendor · Russia |
| Reserved | 2026-08-10T09:55:18 |
| Published | 2026-08-19T16:56:53 |
| Last Updated | 2026-08-21T03:55:18 |
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