CVE-2026-32591 MEDIUM

CVE-2026-32591: Mirror-registry: quay: server-side request forgery in proxy cache upstream registry configuration

Vendor Red Hat
Product mirror registry for Red Hat OpenShift
Weakness CWE-918 · SSRF
Published April 8, 2026
Last update June 30, 2026

CVSS base score

5.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 8, 2026 CVE published
June 30, 2026 Record updated