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CVE-2026-93848

2.7 low SSVC exploitation: none Published
NVD · CVE.org

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

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 4

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 16:46
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 17:17
  3. StatusReceived → PublishedNVD modified 2026-10-26 14:28
  4. First seenCVSS 2.7NVD modified 2026-10-26 15:16

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1