CVE-2026-2376 Mirror-registry: quay: quay: server-side request forgery via open redirect vulnerability in web interface
An authenticated user can exploit an open redirect to force the server to access internal or restricted systems, enabling server-side request forgery.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2376?
CVE-2026-2376 is a medium-severity server-side request forgery vulnerability in Red Hat Quay 3, published on 12 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in mirror-registry where an authenticated user can trick the system into accessing unintended internal or restricted systems by providing malicious web addresses.
When the application processes these addresses, it automatically follows redirects without verifying the final destination, allowing attackers to route requests to systems they should not have access to.
Weakness: CWE-601
Which versions are affected by CVE-2026-2376?
It affects 2 products.
Products include Redhat Mirror Registry, Redhat Quay.
How do I fix CVE-2026-2376?
No fix has been published for CVE-2026-2376 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-2376 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2376 exists.
Other vulnerabilities in Red Hat Quay 3
Sources
Also known as GHSA-9w78-x9jw-9c7m.