CVE-2026-75025NVD

Vulnerability Summary

Mattermost Desktop App versions <=6.2 6.2.2.0 Fixed an issue where Mattermost Desktop did not sufficiently restrict server-rendered content from accessing local or private network resources. Thanks to game0v3r for contributing to this improvement under the Mattermost responsible disclosure policy. Mattermost Advisory ID: MMSA-2026-00698

Severity Level

MEDIUM(4.7)

Published Date

Sep 16, 2026

Last Modified

Sep 17, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.15%Probability

Root Weakness (CWE)

CWE-346: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 4.7 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

ConfidentialityLow

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Mattermost Mattermost <= 6.2.2

Patched Versions

Mattermost Mattermost 6.2.2

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