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CVE-2025-9084
Good to know:
Date: September 15, 2025
Mattermost versions 10.5.x <= 10.5.9 fail to properly validate redirect URLs which allows attackers to redirect users to malicious sites via crafted OAuth login URLs
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
URL Redirection to Untrusted Site ('Open Redirect')
CWE-601Top Fix
Upgrade Version
Upgrade to version github.com/mattermost/mattermost - v10.5.10;github.com/mattermost/mattermost-server - v10.5.10+incompatible
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 |