CVE-2026-3502
TrueConf Client Update Integrity Verification Bypass
KEVHIGH 7.8EPSS 0.3%
TrueConf Client downloads application update code and applies it without performing verification. 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.
- Affected
- TrueConf · TrueConf Client
- CVSS v3.1 CHECKPOINT
- 7.8 HIGH
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L - EPSS
- 0.33% chance of exploitation in the next 30 days, 25th percentile
- CISA KEV
- added 2026-04-02
- Published
- 2026-03-30
- Updated
- 2026-04-03
Proof-of-concept exploits (2)
- https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-south…
- fevar54/CVE-2026-3502---TrueConf-Client-Update-Hijacking-PoC0★ · 2026-04-04
Security advisories
- https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-south…
- https://trueconf.com/blog/update/trueconf-8-5