---
title: "CVE-2026-3502: TrueConf Client Update Integrity… | CubePath"
description: "TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update…"
language: en
source: https://cubepath.com/security/cve/CVE-2026-3502
---

# CVE-2026-3502: TrueConf Client Update Integrity… | CubePath

## 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.

Official description from the CVE record, published by checkpoint. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-3502)

## Key data

### CVSS 3.1 High 7.8

Score published by checkpoint in the CVE record.

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

| Metric                 | Value    | What it means                                                                         |
| ---------------------- | -------- | ------------------------------------------------------------------------------------- |
| Attack vector          | Adjacent | The attacker needs to be on the same shared network segment or a closely related one. |
| Attack complexity      | Low      | No special conditions are needed. The attack can be repeated at will.                 |
| Privileges required    | High     | An account with significant privileges, such as an administrator, is needed.          |
| User interaction       | Required | A user has to do something first, such as opening a file or following a link.         |
| Scope                  | Changed  | The impact can reach other components beyond the vulnerable one.                      |
| Confidentiality impact | High     | Serious or total effect on the secrecy of data.                                       |
| Integrity impact       | High     | Serious or total effect on the trustworthiness of data.                               |
| Availability impact    | Low      | Limited effect on availability.                                                       |

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) .

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.05845 (5.8% probability)

Percentile

93.2%

Scores of

Nov 10, 2026

Model

v2026.06.15

### CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog

TrueConf Client Download of Code Without Integrity Check Vulnerability

Added to the catalog

Apr 2, 2026

Federal due date

Apr 16, 2026

### CISA assessment as of Mar 31, 2026

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation

Recorded by CISA as active

Automatable

no

Technical impact

total

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

- [CWE-494](https://cwe.mitre.org/data/definitions/494.html) Download of Code Without Integrity Check

## Affected products

Products listed in the CVE record, as the CNA published them.

- TrueConf Client

  - affected: TrueConf Client versions 8.1.0 through 8.5.2

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [trueconf.com/blog/update/trueconf-8-5](https://trueconf.com/blog/update/trueconf-8-5)

## Timeline

1. ID reserved Mar 3, 2026
2. Record published Mar 30, 2026
3. Added to CISA KEV Apr 2, 2026
4. Record last updated Apr 3, 2026

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:02 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)