CVE-2026-72530 (GCVE-0-2026-72530)
Vulnerability from cvelistv5 – Published: 2026-08-19 16:56 – Updated: 2026-08-21 03:55
VLAI
EPSS
VEX
Summary
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.
Severity
9 (Critical)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 00:00 UTC
CWE
- CWE-94 - Code Injection
Assigner
Kaspersky
CNA
References
3 references
| URL | Tags |
|---|---|
| https://ics-cert.kaspersky.com/advisories/2026/08… | third-party-advisory |
| https://securelist.com/tr/head-mare-targets-truec… | related |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TrueConf | TrueConf Server |
Affected:
* , < 5.3
(custom)
Affected: 5.3 , < 5.3.9 (custom) Affected: 5.4 , < 5.4.9 (custom) Affected: 5.5 , < 5.5.5 (custom) |
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