{"action":"Upgrade github.com/dadrus/heimdall to 0.17.14 or later.","affected":[{"fixed":"0.17.14","introduced":"0"}],"component":"github.com/dadrus/heimdall","cve_ids":["CVE-2026-42273"],"ecosystem":"Go","epss":0.00301,"exploited":false,"fixed_versions":["0.17.14"],"ghsa_id":"GHSA-72h4-mxfc-jx37","id":"tcs_01M5KGJKTRQ5R5392B57VHQVZ6","modified_at":"2026-06-25T19:45:13.917171146Z","published_at":"2026-06-25T18:43:15Z","references":["https://osv.dev/vulnerability/GO-2026-5200","https://github.com/dadrus/heimdall/security/advisories/GHSA-72h4-mxfc-jx37","https://nvd.nist.gov/vuln/detail/CVE-2026-42273","https://github.com/dadrus/heimdall/commit/3d05e56a9e7ef0355f17482b4322054af4e85943","https://github.com/dadrus/heimdall/pull/3208","https://github.com/dadrus/heimdall/releases/tag/v0.17.14"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"GO-2026-5200","url":"https://osv.dev/vulnerability/GO-2026-5200"},{"source":"nvd","source_id":"CVE-2026-42273","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42273"}],"summary":"Heimdall: Case-sensitive host matching may lead to policy bypass in github.com/dadrus/heimdall"}