Security Advisory

CVE-2026-25783

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-03-16 12:04:18

Last updated 2026-03-16 13:49:55

Assigner Mattermost

CVSS score 4.3

State PUBLISHED

Description

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly validate User-Agent header tokens which allows an authenticated attacker to cause a request panic via a specially crafted User-Agent header. Mattermost Advisory ID: MMSA-2026-00586

← Browse all CVEs View on cve.org ↗