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CVE-2026-13411

4.3 medium SSVC exploitation: none Published
NVD · CVE.org

Mattermost versions 11.7.x <= 11.7.11 fail to validate null elements when decoding playbook import conditions which allows an authenticated attacker to crash the Playbooks plugin instance-wide via a crafted import request containing a null condition. Mattermost Advisory ID: MMSA-2026-00709

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 6

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-22 13:37
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 17:36
  3. StatusReceived → PublishedNVD modified 2026-10-22 13:37
  4. StatusPublished → ReceivedNVD modified 2026-10-22 14:17
  5. StatusReceived → PublishedNVD modified 2026-10-22 10:46
  6. First seenCVSS 4.3NVD modified 2026-10-22 11:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1