TrueConf Client Download of Code Without Integrity Check Vulnerability
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.
An attacker, with administrative privileges, can achieve full data confidentiality loss, arbitrary modification of data, partial service disruption. Federal agencies are required to remediate by 2026-04-16 under CISA BOD 22-01.
This is a Software Vulnerability (CWE-494) (CWE-494) vulnerability in TrueConf Client. Exploitation requires adjacent_network access, low attack complexity, an administrative account, and user interaction required.
Probably yes if any of these apply:
CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2026-04-02 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2026-04-16.
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA 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.
References
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References