CVE-2026-3502: TrueConf Client Download of Code Without Integrity Check Vulnerability

Added to the CISA Known Exploited Vulnerabilities catalog on 02 Apr 2026. Vendor: TrueConf. Product: Client.

TrueConf Client contains a download of code without integrity check vulnerability. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. (due 16 Apr 2026)