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CVE-2025-62690
Good to know:
Date: December 17, 2025
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.
Severity Score
Severity Score
Weakness Type (CWE)
URL Redirection to Untrusted Site ('Open Redirect')
CWE-601Top Fix
Upgrade Version
Upgrade to version github.com/mattermost/mattermost - v10.11.5;github.com/mattermost/mattermost - v11.1.0;github.com/mattermost/mattermost/server/v8 - v8.0.0-20251016131338-dad6bd7a1509
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | LOW |
| Availability (A): | NONE |