CVE-2026-32591: A flaw was found in Red Hat Quay's Proxy Cache configuration feature. When an organization administrator configures an upstream registry for proxy caching…

PriorityP335medium5.5CVSS 3.1

AVNACLPRHUINSUCHILAN

EPSS

0.27%

18.7th percentile

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

2 ranges

Vendor	Product	Version range	Fixed in
redhat	mirror_registry_for_red_hat_openshift	—	—
redhat	quay	—	—

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

vendor_redhat5.2MEDIUM

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