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CVE-2026-2376— Mirror-registry: quay: quay: server-side request forgery via open redirect vulnerability in web interface

Quick assessment

Affected
Red Hat mirror registry for Red Hat OpenShift
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）公司的一个容器镜像仓库平台。 Red Hat Quay存在安全漏洞，该漏洞源于Web界面存在通过开放重定向的服务端请求伪造。

CVSS 4.9 · Medium EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-2376

Vulnerability Information
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Vulnerability Title
Mirror-registry: quay: quay: server-side request forgery via open redirect vulnerability in web interface
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in mirror-registry where an authenticated user can trick the system into accessing unintended internal or restricted systems by providing malicious web addresses. When the application processes these addresses, it automatically follows redirects without verifying the final destination, allowing attackers to route requests to systems they should not have access to.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Quay 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Quay是美国红帽（Red Hat）公司的一个容器镜像仓库平台。 Red Hat Quay存在安全漏洞，该漏洞源于Web界面存在通过开放重定向的服务端请求伪造。
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 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
Red Hat Red Hat Quay 3 - cpe:/a:redhat:quay:3
Red Hat Red Hat Quay 3 - cpe:/a:redhat:quay:3

II. Public POCs for CVE-2026-2376

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III. Intelligence Information for CVE-2026-2376

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Patches & Fixes for CVE-2026-2376 (1)

Vendor Advisories for CVE-2026-2376 (2)

Same Patch Batch · Red Hat · 2026-03-12 · 4 CVEs total

CVE-2026-3099 5.8 MEDIUM Libsoup: libsoup: authentication bypass via digest authentication replay attack
CVE-2026-3234 4.3 MEDIUM Mod_proxy_cluster: mod_proxy_cluster: response body corruption via crlf injection
CVE-2026-2366 3.1 LOW Keycloak: keycloak: information disclosure via authorization bypass in admin api

IV. Related Vulnerabilities

Same product: mirror registry for Red Hat OpenShift
Same vendor: Red Hat
Same weakness: CWE-601

V. Comments for CVE-2026-2376

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