GitHub Advisoryadvisory · Go

GHSA-hxxj-8phw-74vw Mattermost Server server restarts may provide attackers with API access

CRITICAL Published 2022-05-24 Modified 2026-02-06 Official page ↗
Aliases
CVE-2017-18915
Ecosystem
Go
Packages
github.com/mattermost/mattermost-server
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-20, CWE-807
Reviewed
2026-02-06

Affected packages

• Go github.com/mattermost/mattermost-server: < 3.6.7-0.20170420152529-0968e4079e0a → fixed in 3.6.7-0.20170420152529-0968e4079e0a • Go github.com/mattermost/mattermost-server: >= 3.7.0, < 3.7.5 → fixed in 3.7.5 • Go github.com/mattermost/mattermost-server: >= 3.8.0, < 3.8.2 → fixed in 3.8.2

Description

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.

Related

Alias · CVE (1)

  • CVE-2017-18915 An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. vulnerability

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-807 Reliance on Untrusted Inputs in a Security Decision weakness

References