CVE-2025-67853 HIGH

CVE-2025-67853: Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service

Weakness CWE-307 · Brute force
Published February 3, 2026
Last update February 3, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.

Key dates

02Disclosure timeline

February 3, 2026 CVE published
February 3, 2026 Record updated