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CVE-2026-5139

MEDIUM · CVSS 5.4 EPSS %0.17

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-22T14:17:50.887 · Çekilme zamanı: 2026-06-30T18:29:09.859254+00:00

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CVE
CVE-2026-5139
Severity
MEDIUM
CVSS
5.4
EPSS
%0.17
GitLab

Orijinal NVD Açıklaması

Mattermost versions 11.7.x <= 11.7.0, 11.6.x <= 11.6.2, 11.5.x <= 11.5.5, 10.11.x <= 10.11.17 fail to enforce administrator authorization on the {{setDefaultInstance}} call within the {{/gitlab connect}} command handler, which allows any authenticated user to overwrite the global default GitLab instance configuration via the {{/gitlab connect <instance-name>}} slash command.. Mattermost Advisory ID: MMSA-2026-00644