CVE-2025-67857 MEDIUM

CVE-2025-67857: Moodle: moodle: data exposure of user identifiers in urls

Weakness CWE-201
Published February 3, 2026
Last update February 3, 2026
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.

Key dates

02Disclosure timeline

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