CVE-2025-14243 MEDIUM

CVE-2025-14243: Mirror-registry: openshift mirror registry: user enumeration via authentication error messages

Vendor Red Hat
Product mirror registry for Red Hat OpenShift
Weakness CWE-209 · Error message info leak
Published April 8, 2026
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated, remote attacker to enumerate valid usernames and email addresses via different error messages during authentication failures and account creation.

Key dates

02Disclosure timeline

April 8, 2026 CVE published
April 8, 2026 Record updated