Mirror-registry: remote code execution using pickle deserialization

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Summary

CVECVE-2026-32590
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-08 18:25:59 UTC
Updated2026-04-08 21:26:13 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-502 | CWE-502 Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.1HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
3.1CNACVSS7.1HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Mirror Registry For Red Hat OpenShift Not specified Not specified
CNA Red Hat Mirror Registry For Red Hat OpenShift 2 Not specified Not specified
CNA Red Hat Red Hat Quay 3 Not specified Not specified
CNA Red Hat Red Hat Quay 3 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/security/cve/CVE-2026-32590 [email protected] access.redhat.com
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Antony Di Scala and Michael Whale for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-12T14:43:11.443ZReported to Red Hat.
CNA2026-04-08T00:00:00.000ZMade public.
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