Deserialization in Red Hat Mirror Registry For Openshift
CVE-2026-32590
A flaw was found in Red Hat Quay's handling of resumable container image layer uploads. The upload process stores intermediate data in the database using a format that, if tampered with, could allow an attacker to execute arbitrary code on the Quay server.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.008 · change: +0.004
Affected products
- Red Hat Mirror Registry For Openshift
- Red Hat Mirror Registry For Openshift 2
- Red Hat Mirror Registry For Openshift 2.0 — versions 1782177012
- Red Hat Quay 3
- Red Hat Quay 3.1 — versions 1779822261
- Red Hat Quay 3.10 — versions 1779822261
- Red Hat Quay 3.12 — versions 1779811412
- Red Hat Quay 3.14 — versions 1779689392
- Red Hat Quay 3.15 — versions 1780891395
- Red Hat Quay 3.16 — versions 1779204086
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-32590 (vdb-entry, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking, Vendor Advisory)
- access.redhat.com/errata/RHSA-2026:19375 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:21017 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:22465 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:22629 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:22840 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:23361 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:24833 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:24853 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-32590?
- CVE-2026-32590 is a high-severity vulnerability in Red Hat Mirror Registry For Openshift, classified under Deserialization of Untrusted Data. CVSS score: 7.1/10. Published 2026-04-08.
- How severe is CVE-2026-32590?
- High severity. CVSS v3 base score is 7.1 out of 10.