GitHub Advisoryadvisory · Go

GHSA-72v2-v53v-4qmm github.com/mattermost/mattermost/server/public vulnerable to path traversal in API route construction

MEDIUM Published 2026-06-26 Modified 2026-11-03 Official page ↗
Aliases
CVE-2026-13426
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/public
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-22
Reviewed
2026-11-03

Affected packages

• Go github.com/mattermost/mattermost/server/public: < 0.1.22 → fixed in 0.1.22

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

Related

Alias · CVE (1)

  • CVE-2026-13426 The Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters when… vulnerability

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References