Vigie VulnEuropean-hosted Vulnerability DB

CVE-2026-72529

At a glance

Severity
CRITICAL 9.3
Exploitation
Known exploited (CISA KEV) · added 2026-08-20
Exploited per ENISA since 2026-08-20
EPSS
EPSS 1.46 % · percentile 74 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
Kaspersky
NVD status
Analyzed

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.

Scores

VersionScoreVectorScored by
CVSS 4.0CRITICAL 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NKaspersky
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HKaspersky
CVSS 4.0CRITICAL 9.3CVSS: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:XNVD · vulnerability@kaspersky.com (Secondary)
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · vulnerability@kaspersky.com (Secondary)

Weaknesses (CWE)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
TrueConf · TrueConf Serveraffected * < 5.3 ; affected 5.3 < 5.3.9 ; affected 5.4 < 5.4.9 ; affected 5.5 < 5.5.5

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
CISA Known Exploited VulnerabilitiesCC0 1.0
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD