CVE-2026-11569

MEDIUM

Quay: quay: stored xss via filedrop svg upload

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-11569
Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat
RHBZ#2486194
https://bugzilla.redhat.com/show_bug.cgi?id=2486194

Scores

CVSS v3 5.4
EPSS 0.0014
EPSS Percentile 3.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
Red Hat/Red Hat Quay 3
Published Jun 08, 2026
Tracked Since Jun 08, 2026