Apicurio/apicurio-registry: apicurio-registry: Unhardened SAXParser in content-type detection leads to blind XXE / SSRF / billion-laughs DoS

A flaw was found in Apicurio Registry. The ContentTypeUtil.isParsableXml method creates a SAXParserFactory without enabling secure processing features or disabling external entity resolution. An attacker with artifact-write permission or unauthenticated when the registry runs with default...