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mattermost

VENDOR

Failure events
1
Zero-days
0
RCEs
0
On KEV
0
Critical
0
Worst shame
0
Dossier not yet built — the RAG curator builds one for players with ≥2 failure events. The failure history and sentiment below are live.
FAILURE HISTORY · 1
DATEEVENTSEVSUMMARY
2026-05-21 CVE-2026-4858 high CVE-2026-4858: Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.