Beveiligingsadvies

CVE-2026-6333

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-05-18 08:41:29

Laatst bijgewerkt 2026-05-19 17:19:42

Toegewezen door Mattermost

CVSS-score 3.5

Status PUBLISHED

Beschrijving

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to validate the Host header when constructing response URLs for custom slash commands which allows an authenticated attacker to redirect slash command responses to an attacker-controlled server via a spoofed Host header.. Mattermost Advisory ID: MMSA-2026-00582

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