Vulnerability · Published Jun 8, 2026 · Assigned by redhat
CVE-2026-11569Quay: quay: stored xss via filedrop svg upload
Medium 5.4
In plain English
A medium-severity cross-site scripting in Red Hat Quay 3 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 96.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Quay 3 | see references |
| Red Hat | Red Hat Quay 3 | see references |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- https://access.redhat.com/security/cve/CVE-2026-11569 vdb-entry, x_refsource_REDHAT
- RHBZ#2486194 issue-tracking, x_refsource_REDHAT