CVE-2026-3502: TrueConf Client Update Integrity Verification Bypass
In CISA’s Known Exploited Vulnerabilities catalog: TrueConf Client Download of Code Without Integrity Check Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
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.
Description
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.
Vector CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L · CWE-494
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
TrueConf: TrueConf Client
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- trueconf.com/blog/update/trueconf-8-5 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)