CVE-2026-11569

5.4 mediumEPSS 0.1%

Medium (5.4). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-06-08
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

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

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