CVE-2024-11599

HIGH
Published Nov 28, 2024 Modified Oct 1, 2025 CWE-754

Description

Mattermost versions 10.0.x <= 10.0.1, 10.1.x <= 10.1.1, 9.11.x <= 9.11.3, 9.5.x <= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.

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CVSS v3.1 Score

8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weakness Type (CWE)

CWE-754 CWE-754

Affected Products

Vendor Product
mattermost mattermost_server
mattermost mattermost_server
mattermost mattermost_server
mattermost mattermost_server

References

Frequently Asked Questions

What is CVE-2024-11599? +
Mattermost versions 10.0.x <= 10.0.1, 10.1.x <= 10.1.1, 9.11.x <= 9.11.3, 9.5.x <= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration. It has a CVSS v3.1 base score of 8.2 (HIGH).
How severe is CVE-2024-11599? +
CVE-2024-11599 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-11599? +
CVE-2024-11599 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-2024-11599? +
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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