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OpenAdvisories
Medium · 5.3 CVE-2025-14243 EUVD-2025-209308GHSA-v9gq-365f-qxxw

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

Published Apr 8, 2026 · Updated Apr 8, 2026 · Assigned by redhat

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.

Affected products

VendorProductAffectedFixed
Red Hat mirror registry for Red Hat OpenShift — —
Red Hat mirror registry for Red Hat OpenShift 2 — —

References