Vulnerability · Published Apr 8, 2026 · Assigned by redhat
CVE-2026-32589Mirror-registry: quay: insecure direct object reference in blobupload
High 7.4
In plain English
A high-severity authorization bypass via user-controlled key in mirror registry for Red Hat OpenShift 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 0.3% (higher than 17% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | mirror registry for Red Hat OpenShift 2.0 | see references |
| Red Hat | Red Hat Quay 3.10 | see references |
| Red Hat | Red Hat Quay 3.12 | see references |
| Red Hat | Red Hat Quay 3.14 | see references |
| Red Hat | Red Hat Quay 3.15 | see references |
| Red Hat | Red Hat Quay 3.16 | see references |
| Red Hat | Red Hat Quay 3.17 | see references |
| Red Hat | Red Hat Quay 3.9 | see references |
| Red Hat | mirror registry for Red Hat OpenShift | see references |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
References
- RHSA-2026:19375 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:21017 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:22465 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:22629 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:22840 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:23361 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:24853 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:28441 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-32589 vdb-entry, x_refsource_REDHAT
- RHBZ#2446963 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32589.json x_sadp-csaf-vex