Advisories for Golang/Github.com/Quay/Claircore package

2026

Claircore: Unauthenticated attackers can submit manifests with URIs pointing to internal services or cloud metadata endpoints

A flaw was found in Clair. The fetcher component makes outbound HTTP requests to attacker-supplied URIs from manifest layer descriptors without IP or scheme filtering. When PSK authentication is not configured (opt-in, not enforced by default), an unauthenticated attacker can submit a manifest with a URI pointing to internal services or cloud metadata endpoints. The SSRF is reflective for non-200 responses, leaking up to 256 bytes of error body content …

2022