What is CVE-2026-3502?
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.
Timeline
- 2026-03-30Published to the U.S. National Vulnerability Database (NVD)
- 2026-04-01First covered in a defend.network daily briefing
- 2026-04-02Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-04-16CISA federal remediation deadline (BOD 22-01)
- 2026-06-17NVD record last updated
CISA Known Exploited Vulnerability
TrueConf Client Download of Code Without Integrity Check Vulnerability
Affected product
TrueConf Client
References
- https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/
- https://trueconf.com/blog/update/trueconf-8-5
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502
- https://nvd.nist.gov/vuln/detail/CVE-2026-3502
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Referenced in our briefings & reports
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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.