Open Redirect in Red Hat Mirror Registry For Openshift
CVE-2026-2376
A flaw was found in mirror-registry where an authenticated user can trick the system into accessing unintended internal or restricted systems by providing malicious web addresses. When the application processes these addresses, it automatically follows redirects without verifying the final destination, allowing attackers to route requests to systems they should not have access to.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (4.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-2376 (vdb-entry, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Vendor Advisory)
- github.com/quay/quay/pull/5074 (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2026-2376?
- CVE-2026-2376 is a medium-severity vulnerability in Red Hat Mirror Registry For Openshift, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.9/10. Published 2026-03-12.
- How severe is CVE-2026-2376?
- Medium severity. CVSS v3 base score is 4.9 out of 10.