{"id":"GO-2026-5917","summary":"Coder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data access in github.com/coder/coder","details":"Coder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data access in github.com/coder/coder","aliases":["CVE-2026-55430","GHSA-5g4w-3vw9-478w"],"modified":"2026-07-07T20:30:17.637359700Z","published":"2026-07-07T16:41:46Z","database_specific":{"review_status":"UNREVIEWED","url":"https://pkg.go.dev/vuln/GO-2026-5917"},"references":[{"type":"ADVISORY","url":"https://github.com/coder/coder/security/advisories/GHSA-5g4w-3vw9-478w"},{"type":"FIX","url":"https://github.com/coder/coder/pull/26204"}],"affected":[{"package":{"name":"github.com/coder/coder","ecosystem":"Go","purl":"pkg:golang/github.com/coder/coder"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5917.json"}},{"package":{"name":"github.com/coder/coder/v2","ecosystem":"Go","purl":"pkg:golang/github.com/coder/coder/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.29.17"},{"introduced":"2.30.0"},{"fixed":"2.32.7"},{"introduced":"2.33.0"},{"fixed":"2.33.8"},{"introduced":"2.34.0"},{"fixed":"2.34.2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5917.json"}}],"schema_version":"1.7.5"}