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CVE-2026-11569— Quay: quay: stored xss via filedrop svg upload

Quick assessment

Affected
Red Hat Red Hat Quay 3
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存在跨站脚本漏洞，该漏洞源于filedrop端点未验证MIME类型，可能导致具有仓库写入权限的认证用户上传包含JavaScript的恶意SVG文件，文件通过CDN存储并内联提供，可能导致存储型跨站脚本。攻击者可远程发起攻击。

CVSS 5.4 · Medium EPSS 0.14% · P3

Affected Version Matrix 2

VendorProduct Version RangeStatus
Red Hat Red Hat Quay 3 any affected
any affected
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I. Basic Information for CVE-2026-11569

Vulnerability Information
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Vulnerability Title
Quay: quay: stored xss via filedrop svg upload
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Quay. The filedrop endpoint accepts any mime type without validation, allowing an authenticated user with repository write access to upload a malicious SVG file containing JavaScript. The file is stored and served inline through the CDN, enabling stored cross-site scripting when a victim visits the archive URL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Quay 跨站脚本漏洞
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存在跨站脚本漏洞，该漏洞源于filedrop端点未验证MIME类型，可能导致具有仓库写入权限的认证用户上传包含JavaScript的恶意SVG文件，文件通过CDN存储并内联提供，可能导致存储型跨站脚本。攻击者可远程发起攻击。
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 - cpe:/a:redhat:quay:3
Red Hat Red Hat Quay 3 - cpe:/a:redhat:quay:3

II. Public POCs for CVE-2026-11569

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III. Intelligence Information for CVE-2026-11569

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Vendor Advisories for CVE-2026-11569 (2)

Same Patch Batch · Red Hat · 2026-06-08 · 3 CVEs total

CVE-2026-3238 7.5 HIGH Samba: denial of service against ad dc wins server
CVE-2026-11611 6.5 MEDIUM 389-ds-base: 389-ds-base: content sync plugin unbounded queue growth and race conditions

IV. Related Vulnerabilities

Same product: Red Hat Quay 3
Same vendor: Red Hat
Same weakness: CWE-79

V. Comments for CVE-2026-11569

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