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CVE-2026-6342

MEDIUM · CVSS 4.3 EPSS %0.15

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-05-18T08:16:14.717 · Çekilme zamanı: 2026-06-17T06:00:33.813279+00:00

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CVE
CVE-2026-6342
Severity
MEDIUM
CVSS
4.3
EPSS
%0.15

Orijinal NVD Açıklaması

Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to appropriately check for valid namespaces which allows plugin users to create subscriptions to groups that were not whitelisted via creating groups that share the same prefix as a whitelisted group. Mattermost Advisory ID: MMSA-2026-00601