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

Quick assessment

Affected
Red Hat Red Hat Quay 3.10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat Quay是美国红帽（Red Hat）公司的一款分布式容器镜像仓库，它主要用于构建、分布和部署容器。 Red Hat Quay存在代码问题漏洞，该漏洞源于Proxy Cache配置功能未验证上游注册表主机名，可能导致具有组织管理员权限的攻击者强制服务器向内部网络服务发起请求。

CVSS 5.2 · Medium EPSS 0.46% · P38

Affected Version Matrix 11

VendorProduct Version RangeStatus
Red Hat mirror registry for Red Hat OpenShift any affected
Red Hat mirror registry for Red Hat OpenShift 2 any affected
Red Hat Red Hat Quay 3.10 1783750447< * unaffected
Red Hat Red Hat Quay 3.12 1783751865< * unaffected
1784353904< * unaffected
Red Hat Red Hat Quay 3.14 1788593843< * unaffected
Red Hat Red Hat Quay 3.15 1784351966< * unaffected
Red Hat Red Hat Quay 3.16 1783955846< * unaffected
Red Hat Red Hat Quay 3.17 1780604033< * unaffected
Red Hat Red Hat Quay 3.18 1784987273< * unaffected
Red Hat Red Hat Quay 3.9 1784125838< * unaffected
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I. Basic Information for CVE-2026-32591

Vulnerability Information
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Vulnerability Title
Mirror-registry: quay: server-side request forgery in proxy cache upstream registry configuration
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Quay 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Quay是美国红帽（Red Hat）公司的一款分布式容器镜像仓库，它主要用于构建、分布和部署容器。 Red Hat Quay存在代码问题漏洞，该漏洞源于Proxy Cache配置功能未验证上游注册表主机名，可能导致具有组织管理员权限的攻击者强制服务器向内部网络服务发起请求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Quay 3.10 1783750447 ~ * cpe:/a:redhat:quay:3.10::el8
Red Hat Red Hat Quay 3.12 1783751865 ~ * cpe:/a:redhat:quay:3.12::el8
Red Hat Red Hat Quay 3.12 1784353904 ~ * cpe:/a:redhat:quay:3.12::el8
Red Hat Red Hat Quay 3.14 1788593843 ~ * cpe:/a:redhat:quay:3.14::el8
Red Hat Red Hat Quay 3.15 1784351966 ~ * cpe:/a:redhat:quay:3.15::el8
Red Hat Red Hat Quay 3.16 1783955846 ~ * cpe:/a:redhat:quay:3.16::el9
Red Hat Red Hat Quay 3.17 1780604033 ~ * cpe:/a:redhat:quay:3.17::el9
Red Hat Red Hat Quay 3.18 1784987273 ~ * cpe:/a:redhat:quay:3.18::el9
Red Hat Red Hat Quay 3.9 1784125838 ~ * cpe:/a:redhat:quay:3.9::el8
Red Hat mirror registry for Red Hat OpenShift - cpe:/a:redhat:mirror_registry:1
Red Hat mirror registry for Red Hat OpenShift 2 - cpe:/a:redhat:mirror_registry:2

II. Public POCs for CVE-2026-32591

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III. Intelligence Information for CVE-2026-32591

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Vendor Advisories for CVE-2026-32591 (12)

Same Patch Batch · Red Hat · 2026-04-08 · 10 CVEs total

CVE-2026-32589 7.4 HIGH Mirror-registry: quay: insecure direct object reference in blobupload
CVE-2026-32590 7.1 HIGH Mirror-registry: remote code execution using pickle deserialization
CVE-2026-2377 6.5 MEDIUM Mirror-registry: quay: quay: server-side request forgery via log export functionality
CVE-2025-57851 6.4 MEDIUM Mce: privilege escalation via excessive /etc/passwd permissions
CVE-2025-57847 6.4 MEDIUM Ansible-automation-platform: privilege escalation via excessive group writable /etc/passwd
CVE-2025-57854 6.4 MEDIUM Osus-operator: privilege escalation via excessive /etc/passwd permissions
CVE-2025-57853 6.4 MEDIUM Web-terminal: privilege escalation via excessive /etc/passwd permissions
CVE-2025-58713 6.4 MEDIUM Rhpam: privilege escalation via excessive /etc/passwd permissions
CVE-2025-14243 5.3 MEDIUM Mirror-registry: openshift mirror registry: user enumeration via authentication error mess

IV. Related Vulnerabilities

Same product: Red Hat Quay 3.10
Same vendor: Red Hat
Same weakness: CWE-918

V. Comments for CVE-2026-32591

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