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

Required action (CISA's text)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description (NVD)

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.

SOURCES

• CISA KEVCISA Known Exploited Vulnerabilities catalog

Other TrueConf flaws

• CVE-2026-72530: TrueConf Server Code Injection Vulnerability
• CVE-2026-72529: TrueConf Server Missing Authentication for Critical Function Vulnerability

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.