CVE-2026-11569

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-11569
https://bugzilla.redhat.com/show_bug.cgi?id=2486194

Configurations

No configuration.

History

23 Jul 2026, 07:10

Type	Values Removed	Values Added
Summary		(es) Se encontró una vulnerabilidad en Quay. El endpoint filedrop acepta cualquier tipo MIME sin validación, permitiendo a un usuario autenticado con acceso de escritura al repositorio cargar un archivo SVG malicioso que contiene JavaScript. El archivo se almacena y se sirve en línea a través de la CDN, lo que permite un cross-site scripting almacenado cuando una víctima visita la URL del archivo.

08 Jun 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-08 12:16

Updated : 2026-07-23 07:10

NVD link : CVE-2026-11569

Mitre link : CVE-2026-11569

CVE.ORG link : CVE-2026-11569

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2026-11569", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-11569", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-08T12:15:25.821009Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"cpes": ["cpe:/a:redhat:quay:3"], "vendor": "Red Hat", "product": "Red Hat Quay 3", "packageName": "quay/quay-rhel8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:quay:3"], "vendor": "Red Hat", "product": "Red Hat Quay 3", "packageName": "quay/quay-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2026-06-08T12:16:31.730", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-11569", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486194", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Quay. El endpoint filedrop acepta cualquier tipo MIME sin validaci\u00f3n, permitiendo a un usuario autenticado con acceso de escritura al repositorio cargar un archivo SVG malicioso que contiene JavaScript. El archivo se almacena y se sirve en l\u00ednea a trav\u00e9s de la CDN, lo que permite un cross-site scripting almacenado cuando una v\u00edctima visita la URL del archivo."}], "lastModified": "2026-07-23T07:10:00.113", "sourceIdentifier": "secalert@redhat.com"}