{"id":"EUVD-2026-28509","revision":"b1eb8c7c174d4c09a21e26b298995891","records":[{"revision":"b1eb8c7c174d4c09a21e26b298995891","observedAt":"2026-10-30T06:56:53.38+00:00","statement":{"source":"euvd","id":"EUVD-2026-28509","aliases":["CVE-2026-42273","GHSA-72h4-mxfc-jx37"],"title":"Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.14, Heimdall performs host matching in a case-sensitive manner, while HTTP hostnames are case-insensitive. This discrepancy can resul…","description":"Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.14, Heimdall performs host matching in a case-sensitive manner, while HTTP hostnames are case-insensitive. This discrepancy can result in heimdall failing to match a rule for a request host that differs only in letter casing, potentially causing the request to be classified differently than intended. This issue has been patched in version 0.17.14.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","score":7.8,"severity":null}],"references":["https://github.com/dadrus/heimdall/security/advisories/GHSA-72h4-mxfc-jx37","https://github.com/dadrus/heimdall/pull/3208","https://github.com/dadrus/heimdall/commit/3d05e56a9e7ef0355f17482b4322054af4e85943","https://github.com/dadrus/heimdall/releases/tag/v0.17.14"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-28509","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 8, 2026, 3:42:50 AM","dateUpdated":"May 8, 2026, 10:40:56 AM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-28509","identifiers":["EUVD-2026-28509","CVE-2026-42273","GHSA-72h4-mxfc-jx37"]},"retained":false,"historicalAffected":[]}],"coverage":[]}