CVE-2026-90959 Pulpcore: pulpcore: file:// scheme allowlist bypass in content upload file_url field enables arbitrary file read and pulp container registry signing key theft

A path traversal vulnerability was found in pulpcore. The content upload API accepts a 'fileurl' parameter that allows users with file repository privileges to specify a local file URL for Pulp to download and store. A URL scheme validation check uses a string prefix comparison that only rejects...