Description
A flaw was found in Red Hat Quay's Proxy Cache configuration feature. When an organization administrator configures an upstream registry for proxy caching, Quay makes a network connection to the specified registry hostname without verifying that it points to a legitimate external service. An attacker with organization administrator privileges could supply a crafted hostname to force the Quay server to make requests to internal network services, cloud infrastructure endpoints, or other resources that should not be accessible from the Quay application.
Affected products
redhat: mirror registry for red hat openshift; redhat: quay
References10
- access.redhat.com/security/cve/CVE-2026-32591 Vendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2446965 Issue TrackingVendor Advisory
- access.redhat.com/security/cve/CVE-2026-32591 Vendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2446965 Issue TrackingVendor Advisory
- access.redhat.com/errata/RHSA-2026:24833
- access.redhat.com/errata/RHSA-2026:40262
- access.redhat.com/errata/RHSA-2026:41031
- access.redhat.com/errata/RHSA-2026:41066
- access.redhat.com/errata/RHSA-2026:42146
- access.redhat.com/errata/RHSA-2026:42796
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N - EPSS — exploit probability
- 0% percentile: 28 · as of 12 November 2026
- CWE
- CWE-918
Could this be exploited in your environment?
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