Medium severity · published Jun 8, 2026
CVE-2026-11569
Quay: quay: stored xss via filedrop svg upload
5.4
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Quay 3 · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11569
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11569
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-11569
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2486194
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