What is CVE-2026-16910?

CVE-2026-16910 is a medium-severity vulnerability in Red Hat Openshift Update Service, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.5/10. Published 2026-07-24.

How severe is CVE-2026-16910?

Medium severity. CVSS v3 base score is 5.5 out of 10.

SSRF in Red Hat Openshift Update Service

CVE-2026-16910

A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Red Hat Openshift Update Service
Red Hat Quay 3

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-2026-16910?: CVE-2026-16910 is a medium-severity vulnerability in Red Hat Openshift Update Service, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.5/10. Published 2026-07-24.
How severe is CVE-2026-16910?: Medium severity. CVSS v3 base score is 5.5 out of 10.