Redirect Vulnerability in Mirror-Registry by Red Hat
CVE-2026-2376

4.9MEDIUM

Key Information:

Vendor

Red Hat
Status
Mirror Registry For Red Hat Openshift
Mirror Registry For Red Hat Openshift 2
Red Hat Quay 3
Vendor
CVE Published:
12 March 2026

What is CVE-2026-2376?

A vulnerability exists in Red Hat's Mirror-Registry where authenticated users can exploit it by supplying malicious web addresses. This flaw allows the application to unintentionally access restricted internal systems, as the system follows redirects without validating the final destination. Attackers can leverage this behavior to reroute requests to unauthorized systems, posing significant security risks to the infrastructure.

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References

https://access.redhat.com/security/cve/CVE-2026-2376
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2439117
issue-trackingx_refsource_REDHAT
https://github.com/quay/quay/pull/5074

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Antony Di Scala, Luffy Zhang, and Michael Whale for reporting this issue.
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