OCTOBER 13, 2026
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Case File

CVE-2026-75588

LOW · CVSS 2.6 EPSS 0.22%

Source: NVD + CISA KEV + EPSS · Published 2026-09-17 · Last synced 2026-10-13

CyberRota Analysis

AI-Generated

The Mattermost Desktop App versions up to 6.2.2.0 are vulnerable due to inadequate validation of URL schemes, which can be exploited by an attacker positioned on the network to load a plugin popout window over an insecure connection. This flaw could lead to potential exposure of sensitive information or unauthorized actions within the application. Organizations using affected versions should prioritize remediation to mitigate the risk of exploitation.

CVE
CVE-2026-75588
Severity
LOW
CVSS
2.6
EPSS
0.22%

Original NVD Description

Mattermost Desktop App versions <=6.2 6.2.2.0 fail to validate the URL scheme when checking whether a target URL is internal to the connected server, which allows a network-positioned attacker to load a plugin popout window over an insecure connection via a link using a downgraded URL scheme. Mattermost Advisory ID: MMSA-2026-00717

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