CVE-2025-9084
vulnerability analysis and mitigation

Overview

Mattermost versions 10.5.x <= 10.5.9 contain a vulnerability where the system fails to properly validate redirect URLs, enabling attackers to redirect users to malicious sites through crafted OAuth login URLs (NVD).

Technical details

The vulnerability is classified as CWE-601 (URL Redirection to Untrusted Site). It has received varying CVSS v3.1 scores: NIST assigned a base score of 6.1 (MEDIUM) with vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N, while Mattermost assigned a base score of 3.1 (LOW) with vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N (NVD).

Impact

The vulnerability allows attackers to redirect users to malicious sites through crafted OAuth login URLs, potentially leading to phishing attacks or other malicious activities (NVD).

Mitigation and workarounds

Users should upgrade to Mattermost version 10.5.10 or later to address this vulnerability (NVD).

Additional resources


SourceThis report was generated using AI

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