TrueConf Client Update Integrity Verification Bypass

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-3502
StatePUBLISHED
Assignercheckpoint
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-30 19:16:27 UTC
Updated2026-04-02 18:16:34 UTC
DescriptionTrueConf 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L

EPSS: 0.000090000 probability, percentile 0.008960000 (date 2026-04-01)

Problem Types: CWE-494 | CWE-494 CWE-494: Download of Code Without Integrity Check.

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
3.1CNACVSS7.8HIGHCVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TrueConf TrueConf Client affected TrueConf Client versions 8.1.0 through 8.5.2 Not specified

References

ReferenceSourceLinkTags
trueconf.com/blog/update/trueconf-8-5 [email protected] trueconf.com
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov
research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast... 134c704f-9b21-4f2e-91b3-4a467353bcc0 research.checkpoint.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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