Mirror-registry: quay: quay: server-side request forgery via open redirect vulnerability in web interface

Summary

CVECVE-2026-2376
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-12 19:16:16 UTC
Updated2026-06-02 19:23:46 UTC
DescriptionA flaw was found in mirror-registry where an authenticated user can trick the system into accessing unintended internal or restricted systems by providing malicious web addresses. When the application processes these addresses, it automatically follows redirects without verifying the final destination, allowing attackers to route requests to systems they should not have access to.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

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

Problem Types: CWE-601 | CWE-601 URL Redirection to Untrusted Site ('Open Redirect')


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1[email protected]Secondary4.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNACVSS4.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 9.0 All All All
Application Redhat Mirror Registry - All All All
Application Redhat Quay 3.0.0 All All All

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-2026-2376 [email protected] access.redhat.com Vendor Advisory
github.com/quay/quay/pull/5074 [email protected] github.com Issue Tracking, Patch
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com Vendor Advisory
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, Luffy Zhang, and Michael Whale for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-02-11T20:27:37.958ZReported to Red Hat.
CNA2026-03-03T19:28:15.377ZMade public.
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