What is CVE-2026-15927?

CVE-2026-15927 is a medium-severity vulnerability in Red Hat Mirror Registry For Openshift 2, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.8/10. Published 2026-07-21.

How severe is CVE-2026-15927?

Medium severity. CVSS v3 base score is 6.8 out of 10.

SSRF in Red Hat Mirror Registry For Openshift 2

CVE-2026-15927

A flaw was found in Red Hat Quay's repository-level mirror configuration feature. The POST and PUT handlers in endpoints/api/mirror.py accept an external_reference parameter without SSRF validation, unlike the organization-level mirror han…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-15927?: CVE-2026-15927 is a medium-severity vulnerability in Red Hat Mirror Registry For Openshift 2, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.8/10. Published 2026-07-21.
How severe is CVE-2026-15927?: Medium severity. CVSS v3 base score is 6.8 out of 10.