{"id":"GO-2026-5125","summary":"Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode in github.com/dadrus/heimdall","details":"Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode in github.com/dadrus/heimdall","aliases":["CVE-2026-57209","GHSA-4jgr-pg2m-m988"],"modified":"2026-07-20T21:56:16.566999339Z","published":"2026-06-25T18:26:48Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5125","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/dadrus/heimdall/security/advisories/GHSA-4jgr-pg2m-m988"}],"affected":[{"package":{"name":"github.com/dadrus/heimdall","ecosystem":"Go","purl":"pkg:golang/github.com/dadrus/heimdall"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.17.17"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5125.json"}}],"schema_version":"1.7.5"}