CVE record · CVE-2026-15927

Quay: mirror-registry: ssrf: repo-level mirror accepts external_reference without url validation

CVSS 6.8 MediumEPSS 0.0060 · 49th percentile

Published by the CVE Program (CNA: redhat) at 21 Jul 2026, 04:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Quay 3.10 Package name: quay/quay-rhel8 https://catalog.redhat.com/software/containers/	unaffected 1786395065 to before * rpm Other versions: affected
Red Hat	Red Hat Quay 3.12 Package name: quay/quay-rhel8 https://catalog.redhat.com/software/containers/	unaffected 1786170635 to before * rpm Other versions: affected
Red Hat	Red Hat Quay 3.14 Package name: quay/quay-rhel8 https://catalog.redhat.com/software/containers/	unaffected 1788593843 to before * rpm Other versions: affected
Red Hat	Red Hat Quay 3.15 Package name: quay/quay-rhel8 https://catalog.redhat.com/software/containers/	unaffected 1788191755 to before * rpm Other versions: affected
Red Hat	Red Hat Quay 3.16 Package name: quay/quay-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1789563753 to before * rpm Other versions: affected
Red Hat	Red Hat Quay 3.17 Package name: quay/quay-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1786181981 to before * rpm Other versions: affected
Red Hat	Red Hat Quay 3.9 Package name: quay/quay-rhel8 https://catalog.redhat.com/software/containers/	unaffected 1785950004 to before * rpm Other versions: affected
Red Hat	mirror registry for Red Hat OpenShift 2 Package name: openshift/mirror-registry-rhel8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2026-15927
CNA: redhat
Weakness (CWE): CWE-918
Tags: Red Hat Quay 3.10
Red Hat Quay 3.12
Red Hat Quay 3.14
Red Hat Quay 3.15
Red Hat Quay 3.16
Red Hat Quay 3.17
Red Hat Quay 3.9
mirror registry for Red Hat OpenShift 2
Server-side request forgery (SSRF)
Published: 21 Jul 2026
Updated: 1 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.8	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0060, the 49th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

21 Jul 2026, 04:45 UTC Confirmed by the CVE List

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:50931 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:52968 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:53520 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:54395 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:63307 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:69255 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:70267 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-15927 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2501256 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.