CVE-2026-32589 Mirror-registry: quay: insecure direct object reference in blobupload

High 7.4 Published 8 Apr 2026 Updated 10 Sep 2026

An authenticated user can interfere with other users' image uploads, allowing unauthorized reading, modification, or cancellation of in-progress uploads.

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-2026-32589?

CVE-2026-32589 is a high-severity missing authorization vulnerability in Red Hat Quay 3.10, published on 8 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw was found in Red Hat Quay's container image upload process. An authenticated user with push access to any repository on the registry can interfere with image uploads in progress by other users, including those in repositories they do not have access to. This could allow the attacker to read, modify, or cancel another user's in-progress image upload.

Weakness: CWE-639

Which versions are affected by CVE-2026-32589?

It affects 2 products.

Products include Redhat Mirror Registry for Red Hat Openshift, Redhat Quay.

How do I fix CVE-2026-32589?

No fix has been published for CVE-2026-32589 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-32589 being exploited?

There is no known exploitation of CVE-2026-32589 in the wild and no public exploit code.

Sources

Also known as GHSA-7fjh-cgxv-cjc6.