Is CVE-2026-16910 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-16910?

CVE-2026-16910 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-16910

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.