CVE-2026-32589
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
Description mirror-registry: quay: insecure direct object reference in BlobUpload Red Hat statement Exploitation requires valid login credentials to the Quay registry. Unauthenticated users cannot exploit this flaw. CVSS v3: 7.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Quay…
Description
mirror-registry: quay: insecure direct object reference in BlobUpload
Red Hat statement
Exploitation requires valid login credentials to the Quay registry. Unauthenticated users cannot exploit this flaw.
CVSS v3: 7.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L)
Errata / fixed releases
| Product | Package | Advisory | Released |
|---|---|---|---|
| Red Hat Quay 3.14 | quay/quay-rhel8:1779689392 | RHSA-2026:21017 | 2026-05-26T00:00:00Z |
| Red Hat Quay 3.16 | quay/quay-rhel9:1779204086 | RHSA-2026:19375 | 2026-05-19T00:00:00Z |
Package state
| Product | Package | State |
|---|---|---|
| mirror registry for Red Hat OpenShift | openshift/mirror-registry-rhel8 | Affected |
| mirror registry for Red Hat OpenShift 2 | openshift/mirror-registry-rhel8 | Not affected |
Apply commands
yum update -y quay/quay-rhel8:1779689392
# or:
dnf upgrade -y quay/quay-rhel8:1779689392Affected
| Vendor | Product | Version |
|---|---|---|
| redhat | mirror registry for Red Hat OpenShift | Affected |
| redhat | mirror registry for Red Hat OpenShift 2 | Not affected |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| redhat | mirror_registry_for_red_hat_openshift | - | |
| redhat | mirror_registry_for_red_hat_openshift | 2.0 | |
| redhat | quay | 3.0.0 | |
References
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/security/cve/CVE-2026-32589
- https://bugzilla.redhat.com/show_bug.cgi?id=2446963
- https://access.redhat.com/errata/RHSA-2026:21017
- https://access.redhat.com/errata/RHSA-2026:22465
- https://access.redhat.com/errata/RHSA-2026:22629
- https://access.redhat.com/errata/RHSA-2026:22840
CWEs
CWE-639
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.