CVE-2026-72529
Last modified
CVE-2026-72529 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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 execute an arbitrary script by calling an undocumented function.. CISA has confirmed active exploitation in the wild. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
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 execute an arbitrary script by calling an undocumented function.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trueconf | Trueconf Server | < 5.3.9.10013 |
| Trueconf | Trueconf Server | < 5.3.9.10015 |
| Trueconf | Trueconf Server | >= 5.4.0.12689, < 5.4.9.10072 |
| Trueconf | Trueconf Server | >= 5.4.0.12700, < 5.4.9.10019 |
| Trueconf | Trueconf Server | >= 5.5.0.13826, < 5.5.5.10010 |
| Trueconf | Trueconf Server | >= 5.5.0.13828, < 5.5.5.10009 |
References
- https://securelist.com/tr/head-mare-targets-trueconf-server-with-phantomcore/120988/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-72529US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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