PT-2026-123371
CVE-2026-93848
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Published
2026-10-26
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Updated
2026-10-26
Description by
CVSS 3.1
2.7
LowMetricsAV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the OpenID discovery endpoint request which allows a System Administrator to determine whether internal addresses and ports are reachable from the server via an unauthenticated login request that triggers the discovery fetch.. Mattermost Advisory ID: MMSA-2026-00774
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