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
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat Quay 3.10
Default version status: affected
1783750447 to < *unaffected
Red Hat Red Hat Quay 3.12
Default version status: affected
1783751865 to < *unaffected
Red Hat Red Hat Quay 3.12
Default version status: affected
1784353904 to < *unaffected
Red Hat Red Hat Quay 3.14
Default version status: affected
1788593843 to < *unaffected
Red Hat Red Hat Quay 3.15
Default version status: affected
1784351966 to < *unaffected
Red Hat Red Hat Quay 3.16
Default version status: affected
1783955846 to < *unaffected
Red Hat Red Hat Quay 3.17
Default version status: affected
1780604033 to < *unaffected
Red Hat Red Hat Quay 3.18
Default version status: affected
1784987273 to < *unaffected
Red Hat Red Hat Quay 3.9
Default version status: affected
1784125838 to < *unaffected
Red Hat mirror registry for Red Hat OpenShift
Default version status: affected
Red Hat mirror registry for Red Hat OpenShift 2
Default version status: affected
References
- https://access.redhat.com/errata/RHSA-2026:24833 ↗
- https://access.redhat.com/errata/RHSA-2026:40262 ↗
- https://access.redhat.com/errata/RHSA-2026:41031 ↗
- https://access.redhat.com/errata/RHSA-2026:41066 ↗
- https://access.redhat.com/errata/RHSA-2026:42146 ↗
- https://access.redhat.com/errata/RHSA-2026:42796 ↗
- https://access.redhat.com/errata/RHSA-2026:43052 ↗
- https://access.redhat.com/errata/RHSA-2026:48085 ↗
- https://access.redhat.com/errata/RHSA-2026:70267 ↗
- https://access.redhat.com/security/cve/CVE-2026-32591 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2446965 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32591.json ↗