CVE-2026-32589

CVE-2026-32589 is a high-severity vulnerability in Redhat Mirror Registry For Red Hat Openshift with a CVSS 3.x base score of 7.4. 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-639.

Key facts

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.

Frequently asked questions

What is CVE-2026-32589?
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.
How severe is CVE-2026-32589?
CVE-2026-32589 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-32589 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32589?
CVE-2026-32589 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-2026-32589?
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-2026-32589 have an EU (EUVD) identifier?
Yes. CVE-2026-32589 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20513.
When was CVE-2026-32589 published?
CVE-2026-32589 was published on 2026-04-08 and last updated on 2026-07-01.

References

Affected products (3)

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