Security Advisory

CVE-2026-13426

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-26 13:47:10

Last updated 2026-06-26 14:39:00

Assigner Mattermost

CVSS score 5.4

State PUBLISHED

Description

The Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters when constructing API route paths which allows an attacker to redirect API calls to unintended endpoints via crafted IDs containing path traversal components. Mattermost Advisory ID: MMSA-2025-00532

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