CVE-2026-11569

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 51/100
Published: 2026-06-08 Modified: 2026-11-01 First seen: 2026-11-01 Status: active

Attack Surface

Network Low Complexity Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: Required
S: Changed
C: Low
I: Low
A: None

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 & Advisories (2)

https://bugzilla.redhat.com/show_bug.cgi?id=2486194
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

51 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.14%
Raw Score 0.001380
Percentile 3.3%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00138
2026-11-12
0.00138
2026-11-10
0.00138
2026-11-09
0.00138
2026-11-08
0.00138
2026-11-07
0.00138
2026-11-06
0.00138
2026-11-05
0.00138
2026-11-04
0.00138
2026-11-03
0.00138
2026-11-02
0.00138
2026-11-01
0.00138
2026-10-31
0.00138

Intelligence Sources

mitre ref →