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

Published Mar 30, 2026
·
Updated

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.

Other sources

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.

NVD

Affected Software

3 affected components
TrueConf TrueConf Client
TrueConf Client
TrueConf Trueconf Windows<8.5.3.884

Event History

Mar 30, 2026
CVE Published
via MITRE·06:05 PM
Data Sourced
via MITRE·06:05 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 1, 2026
News Published
via BleepingComputer·09:35 PM
News Published
via BleepingComputer·09:36 PM
Apr 2, 2026
Known Exploited
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
Aug 8, 2026
News Published
via BleepingComputer·02:16 PM
Aug 21, 2026
News Published
via BleepingComputer·12:25 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-3502?

CVE-2026-3502 is considered a high severity vulnerability due to the potential for unauthorized code execution.

2

How do I fix CVE-2026-3502?

To mitigate CVE-2026-3502, ensure that your TrueConf Client is updated to the latest version in which the integrity verification issue has been patched.

3

What systems are impacted by CVE-2026-3502?

CVE-2026-3502 affects the TrueConf Client application, specifically versions that lack proper integrity verification for updates.

4

What could an attacker do with CVE-2026-3502?

An attacker exploiting CVE-2026-3502 could deliver a tampered update payload, potentially allowing for unauthorized execution of malicious code.

5

Is there a workaround for CVE-2026-3502?

Currently, the recommended approach to address CVE-2026-3502 is to ensure that you are using an updated version of TrueConf Client until an official workaround is provided.

Contact

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