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CVE-2026-1628

—
CVSS 3.1
4.6 medium
EPSS
<1%p3
Published
()
Modified
Description

Mattermost Desktop App versions <=5.13.3 fail to attach listeners restricting navigation to external sites within the Mattermost app which allows a malicious server to expose preload script functionality to untrusted servers via having a user open an external link in their Mattermost server. Mattermost Advisory ID: MMSA-2026-00596

Vendors
mattermost
Products
mattermost desktop
Weakness
CWE-829
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.1%)

In the news

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