CVE-2025-62690
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-17

Last updated on: 2025-12-29

Assigner: Mattermost, Inc.

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.
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Meta Information
Published
2025-12-17
Last Modified
2025-12-29
Generated
2026-06-16
AI Q&A
2025-12-17
EPSS Evaluated
2026-06-15
NVD
CVE-2025-62690
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
mattermost mattermost_server From 10.11.0 (inc) to 10.11.5 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-601 The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
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Executive Summary

This vulnerability exists in Mattermost versions 10.11.x up to 10.11.4, where the application fails to properly validate redirect URLs on the /error page. This flaw allows an attacker to craft a malicious link that, when opened in a new tab by a victim, redirects them to a malicious site.

Impact Analysis

The vulnerability can impact you by enabling attackers to redirect users to malicious websites through crafted links. This can lead to phishing attacks, malware downloads, or other malicious activities that compromise user security and trust.

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