Skip to content
Security Alerts

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

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 payloa...

Summary

ParameterValue
CVE IDCVE-2026-3502
Alert SourceCISA KEV - Active Exploitation
CVE Publication Year2026
Date Published2026-04-02
VendorTrueConf
ProductClient
CVSS Score7.8 (high)
EPSS Score0.0% (percentile: 1%)
CISA KEVYes - confirmed active exploitation
RansomwareNot confirmed
Remediation Deadline2026-04-16

Vulnerability Description

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.

Required Actions

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

Who Is Affected?

This vulnerability affects Client by TrueConf. Check if your organization uses this software and requires updates.

Sources


Need help securing your systems? nFlo team offers vulnerability management and 24/7 SOC services. Contact us.

How can nFlo help?

If your organization uses products affected by this vulnerability, contact us. We can help with:

  • Verifying whether your systems are at risk
  • Implementing patches and risk mitigation
  • Monitoring for exploitation attempts in your environment

Useful resources:

Learn More

Share:

Talk to an expert

Have questions about this topic? Get in touch with our specialist.

Sales Representative
Grzegorz Gnych

Grzegorz Gnych

Sales Representative

Response within 24 hours
Free consultation
Individual approach

Providing your phone number will speed up contact.

Want to Reduce IT Risk and Costs?

Book a free consultation - we respond within 24h

Response in 24h Free quote No obligations

Or download free guide:

Download NIS2 Checklist