SB20260331100 - Download of code without integrity check in TrueConf client for Windows

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Main Vulnerability Database SB20260331100

SB20260331100 - Download of code without integrity check in TrueConf client for Windows

Published: March 31, 2026 Updated: April 10, 2026

Security Bulletin ID SB20260331100
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Download of code without integrity check (CVE-ID: CVE-2026-3502)

CWE-ID: CWE-494 - Download of Code Without Integrity Check

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/U:Red


The vulnerability allows a remote attacker to compromise the affected system

The vulnerability exists due to software does not perform software integrity check when downloading updates. A remote attacker controlling a TrueConf server can supply a malicious software binary and gain full control over the affected system after a successful software update.

Note, the vulnerability is being exploited in the wild. 


Remediation

Install update from vendor's website.

References