CVE-2026-11569

MEDIUM EPSS 3.6%

Published Jun 8, 20263w ago · Modified Jun 17, 20262w ago

5.4 CVSS 3.1

Medium

Published Jun 8, 2026 3w ago

Last Modified Jun 17, 2026 2w ago

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 Details

Base Score

5.4

Exploitability

2.3

Impact

2.7

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction Required

Scope Changed

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

3.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.