CVE-2025-62690

LOW
Published Dec 17, 2025 Modified Dec 29, 2025 CWE-601

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.

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-2025-62690? +
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. It has a CVSS v3.1 base score of 3.1 (LOW).
How severe is CVE-2025-62690? +
CVE-2025-62690 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-2025-62690? +
CVE-2025-62690 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-2025-62690? +
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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