{"schema_version":"1.3.1","id":"GO-2026-5390","modified":"2026-06-25T18:43:19Z","published":"2026-06-25T18:43:19Z","aliases":["GHSA-g53w-w6mj-hrpp"],"summary":"MCP Gateway: Authority-injection and JWT/session bypass via the unauthenticated router hair-pin \"router-key\" / \"mcp-init-host\" path in github.com/Kuadrant/mcp-gateway","details":"MCP Gateway: Authority-injection and JWT/session bypass via the unauthenticated router hair-pin \"router-key\" / \"mcp-init-host\" path in github.com/Kuadrant/mcp-gateway","affected":[{"package":{"name":"github.com/Kuadrant/mcp-gateway","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/Kuadrant/mcp-gateway/security/advisories/GHSA-g53w-w6mj-hrpp"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5390","review_status":"UNREVIEWED"}}