CVE-2025-14243
Mirror-registry: openshift mirror registry: user enumeration via authentication error messages
- State
- Published
- Severity
- 5.3 Medium
- Published
- Apr 8, 2026
- Updated
- Apr 8, 2026
- Reserved
- Dec 8, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | redhat |
Weaknesses
- CWE-209 Generation of Error Message Containing Sensitive Information
Affected Products
| Product | Versions |
|---|---|
mirror registry for Red Hat OpenShiftRed Hat | |
mirror registry for Red Hat OpenShift 2Red Hat |
References
- https://access.redhat.com/security/cve/CVE-2025-14243vdb-entry
- RHBZ#2419829issue-tracking
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