Information disclosure in Red Hat Mirror Registry For Openshift

CVE-2025-14243

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-14243: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14243?
CVE-2025-14243 is a medium-severity vulnerability in Red Hat Mirror Registry For Openshift, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-04-08.
How severe is CVE-2025-14243?
Medium severity. CVSS v3 base score is 5.3 out of 10.