GitHub Advisoryadvisory · Go

GHSA-q66g-q98c-q454 Mattermost has missing redirect URL validation

LOW Published 2025-12-17 Modified 2025-12-18 Official page ↗
Aliases
CVE-2025-62690
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Weaknesses
CWE-601
Reviewed
2025-12-18

Affected packages

• Go github.com/mattermost/mattermost/server/v8: >= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20251016131338-dad6bd7a1509 → fixed in 8.0.0-20251016131338-dad6bd7a1509 • Go github.com/mattermost/mattermost: >= 10.11.0-rc1, < 10.11.5-0.20251016131338-dad6bd7a1509 → fixed in 10.11.5-0.20251016131338-dad6bd7a1509 • Go github.com/mattermost/mattermost: >= 11.0.0-alpha.1, < 11.1.0 → fixed in 11.1.0

Description

Mattermost versions 10.11.x <= 10.11.4 fail to validate redirect URLs on the /error page, which allows an attacker to redirect a victim to a malicious site via a crafted link opened in a new tab.

Related

Alias · CVE (1)

  • CVE-2025-62690 Mattermost versions 10.11.x <= 10.11.4 fail to validate redirect URLs on the /error page, which allows an attacker to redirect a victim to… vulnerability

Weakness · CWE (1)

  • CWE-601 URL Redirection to Untrusted Site weakness

References