CVE-2026-72530 KEV
9.0
CRITICAL · CVSS 3.1 · EPSS 1.7% (pctl 76)
Patch first
On CISA KEV — known exploited in the wild, due 2026-09-03.
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.
Scoring
| CVSS | 9.0 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 1.69% — more likely to be exploited than 76% of all CVEs |
| Weakness | CWE-94 |
| On CISA KEV | yes — remediate by 2026-09-03 |
| Public exploit | none known |
| Published | 2026-08-19 |
| Last modified | 2026-08-21 |
CISA KEV
| Name | TrueConf Server Code Injection Vulnerability |
|---|---|
| Added | 2026-08-20 |
| Due | 2026-09-03 |
| Vendor / product | TrueConf / Server |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| trueconf | trueconf server |
References
→ the Explorer · watch your stack · NVD