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Vulnerability · Published Apr 8, 2026 · Assigned by redhat

CVE-2026-32590Mirror-registry: remote code execution using pickle deserialization

High 7.1

In plain English

A high-severity unsafe deserialization 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 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.5%top 54.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
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 3.17 see references
Red Hat Red Hat Quay 3.18 see references
Red Hat Red Hat Quay 3.9 see references
Red Hat mirror registry for Red Hat OpenShift see references

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

References