Mattermost Desktop App Remote Code Execution
Mattermost Desktop App versions <=5.7.0 fail to correctly prompt for permission when opening external URLs which allows a remote attacker to force a victim over the Internet to run arbitrary programs on the victim's system via custom URI schemes.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | mattermost-desktop | < 5.8.0 | 5.8.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-693- Platform
- npm
- Package
mattermost-desktop- Disclosed
- 14.06.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-hvxg-77mg-vrvp - CC BY 4.0
Vulnerability history: mattermost-desktop
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 7
- First → latest
- 06.2024 12.2025
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Medium 3
- Low 4
Disclosures per year
- 2024: 5
- 2025: 2
- 2026: 0
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Mattermost Desktop App Remote Code Execution this entry
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