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Back to active CVEs
Medium · CVSS 4.9CVE-2026-2376

Mirror-registry: quay: quay: server-side request forgery via open redirect vulnerability in web interfaceCVE-2026-2376

Answer in brief

CVE-2026-2376 records a Medium severity (CVSS 4.9) vulnerability in Mirror-registry: quay: quay: server-side request forgery via open redirect vulnerability in web interface. The current sources do not mark it as known exploited. The current feed maps Red Hat/openshift/mirror-registry-rhel8 (generic), Red Hat/quay/quay-rhel8 (generic), Red Hat/quay/quay-rhel9 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Mar 12, 2026Updated Nov 1, 2026Source checked Nov 1, 2026First seen by HOL Nov 1, 2026Material review Nov 1, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.9
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/openshift/mirror-registry-rhel8 (generic), Red Hat/quay/quay-rhel8 (generic), Red Hat/quay/quay-rhel9 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/openshift/mirror-registry-rhel8generic*Not reported
Red Hat/quay/quay-rhel8generic*Not reported
Red Hat/quay/quay-rhel9generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/openshift/mirror-registry-rhel8, Red Hat/quay/quay-rhel8, Red Hat/quay/quay-rhel9.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Mar 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 1, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • GitHub security advisorygithub.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
SSRF
EPSS
Not reported
CWE IDs
CWE-601
Source
CVE List V5
Source checked
Nov 1, 2026
References
3 linked sources
Open source record