Vulnerability DatabaseCVE-2026-75587
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-75587
Published:August 17, 2026
Updated:August 28, 2026
Mattermost Desktop App versions <=6.2 6.2.2.0 fail to redact the pre-auth secret when generating a diagnostics report, which allows a local attacker with access to a user's diagnostics report or log files to obtain the plaintext pre-auth secret configured for a connected server via inspecting the Server Connectivity (Step-3) diagnostics output. Mattermost Advisory ID: MMSA-2026-00716
Affected Packages
https://github.com/mattermost/desktop.git (GITHUB):
Affected version(s) >=v6.0.0 <v6.2.3
Fix Suggestion:
Update to version v6.2.3
Related Resources (3)
https://mattermost.com/security-updates
https://nvd.nist.gov/vuln/detail/CVE-2026-75587
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75587.json
Do you need more information?
Contact Us
CVSS v4
Base Score:
4.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.6
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
EPSS
Base Score:
0.09