Beveiligingsadvies

CVE-2026-4635

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-05-22 10:28:47

Laatst bijgewerkt 2026-05-22 12:06:16

Toegewezen door Mattermost

CVSS-score 6.5

Status PUBLISHED

Beschrijving

Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to archive the channel before removing persistent notifications which allows authenticated user to crash the server via timing the creation of persistent notification message between the server deleting existing persistent notifications and archiving the channel.. Mattermost Advisory ID: MMSA-2026-00637

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