CVE-2026-32591 — Mirror-registry: quay: server-side request forgery in proxy cache upstream registry configuration
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 …
Published: 2026-04-08 · CVSS: 5.2 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7