CVE-2025-9084

LOW
Published Sep 15, 2025 Modified Sep 16, 2025 CWE-601

Description

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

CVSS v3.1 Score

3.1
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-601 CWE-601

Affected Products

Vendor Product
mattermost mattermost_server

References

Frequently Asked Questions

What is CVE-2025-9084? +
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 It has a CVSS v3.1 base score of 3.1 (LOW).
How severe is CVE-2025-9084? +
CVE-2025-9084 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.
What products are affected by CVE-2025-9084? +
CVE-2025-9084 affects products from mattermost, specifically: mattermost_server. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-9084? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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