CVE-2026-16910
Medium
Description
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 requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Red Hat OpenShift Update Service
PublishedJul 24, 2026
First seenJul 24, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat OpenShift Update Service | No range specified | — |
| Red Hat Red Hat Quay 3 | No range specified | — |
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