CVE-2026-32590
CVE-2026-32590 is a high-severity vulnerability in Redhat Mirror Registry For Red Hat Openshift with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-20515
- Weakness: CWE-502
- Affected product: Redhat Mirror Registry For Red Hat Openshift
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-32590?
- CVE-2026-32590 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-32590 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-32590?
- CVE-2026-32590 primarily affects Redhat Mirror Registry For Red Hat Openshift. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-32590?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-32590 have an EU (EUVD) identifier?
- Yes. CVE-2026-32590 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20515.
- When was CVE-2026-32590 published?
- CVE-2026-32590 was published on 2026-04-08 and last updated on 2026-07-01.
References
- https://access.redhat.com/errata/RHSA-2026:19375
- 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
- https://access.redhat.com/errata/RHSA-2026:23361
- https://access.redhat.com/errata/RHSA-2026:24833
- https://access.redhat.com/errata/RHSA-2026:24853
- https://access.redhat.com/errata/RHSA-2026:28441
- https://access.redhat.com/security/cve/CVE-2026-32590
- https://bugzilla.redhat.com/show_bug.cgi?id=2446964
Affected products (3)
- cpe:2.3:a:redhat:mirror_registry_for_red_hat_openshift:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:mirror_registry_for_red_hat_openshift:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:quay:3.0.0:*:*:*:*:*:*:*
More vulnerabilities in Redhat Mirror Registry For Red Hat Openshift
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