{"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_01M5KF166QZAVQCDM5H8YCKTNT","modified_at":"2026-06-25T19:56:09.400522685Z","published_at":"2026-04-25T23:30:18Z","references":["https://osv.dev/vulnerability/GHSA-72h4-mxfc-jx37","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/pull/3208","https://github.com/dadrus/heimdall/commit/3d05e56a9e7ef0355f17482b4322054af4e85943","https://github.com/dadrus/heimdall","https://github.com/dadrus/heimdall/releases/tag/v0.17.14"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-72h4-mxfc-jx37","url":"https://osv.dev/vulnerability/GHSA-72h4-mxfc-jx37"}],"summary":"Heimdall: Case-sensitive host matching may lead to policy bypass"}