Description
An attacker who gains the ability to execute arbitrary code on a system with TrueConf Server (Linux) versions from 4.7.2 up to, but not including, 5.5.6 installed, running as the user trueconf (by exploiting some other vulnerability), can elevate their privileges to root.
Published: 2026-11-11
Score: 8.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Update TrueConf Server (Linux) to versions 5.5.6 or newer.

Vendor Workaround

Perform a full check with anti-virus software that has up-to-date anti-virus databases and software modules.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 11 Nov 2026 14:15:00 +0000

Type Values Removed Values Added
Description An attacker who gains the ability to execute arbitrary code on a system with TrueConf Server (Linux) versions from 4.7.2 up to, but not including, 5.5.6 installed, running as the user trueconf (by exploiting some other vulnerability), can elevate their privileges to root.
Weaknesses CWE-276
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Kaspersky

Published:

Updated: 2026-11-11T14:15:36.255Z

Reserved: 2026-11-05T07:33:05.167Z

Link: CVE-2026-123040

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-11T14:17:32.280

Modified: 2026-11-11T14:17:32.280

Link: CVE-2026-123040

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-276

    Incorrect Default Permissions