{"cve":{"cve_id":"CVE-2026-50559","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00251,"epss_percentile":0.16224,"epss_as_of":"2026-06-23","description":"Quarkus is a Java framework for building cloud-native applications. Prior to versions 3.37.0, 3.36.3, 3.33.2.1, 3.33.3, 3.27.4.1, 3.27.5, and 3.20.6.2, Quarkus HTTP path-based authorization policies can be bypassed using encoded semicolons (%3B) to smuggle matrix parameters past the security layer, and using encoded slashes (%2F) or backslashes (%5C) to access protected static resources. This is a distinct issue from CVE-2026-39852, which addressed only literal semicolon stripping. Versions 3.37.0, 3.36.3, 3.33.2.1, 3.33.3, 3.27.4.1, 3.27.5, and 3.20.6.2 contain a patch.","published_at":"2026-06-19T20:26:39.322000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-287","CWE-863"],"nvd_references":["https://github.com/quarkusio/quarkus/security/advisories/GHSA-qcxp-gm7m-4j5v"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:47.822556Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"quarkusio","vendor_name":"quarkusio","product_slug":"quarkus","product_name":"quarkus","version_start":">= 3.36.0, < 3.36.3","version_start_inclusive":true,"version_end":">= 3.36.0, < 3.36.3","version_end_inclusive":true,"cpe23_uri":"cve5:quarkusio:quarkus:>= 3.36.0, < 3.36.3:>= 3.36.0, < 3.36.3"},{"vendor_slug":"quarkusio","vendor_name":"quarkusio","product_slug":"quarkus","product_name":"quarkus","version_start":">= 3.33.0, < 3.33.2.1","version_start_inclusive":true,"version_end":">= 3.33.0, < 3.33.2.1","version_end_inclusive":true,"cpe23_uri":"cve5:quarkusio:quarkus:>= 3.33.0, < 3.33.2.1:>= 3.33.0, < 3.33.2.1"},{"vendor_slug":"quarkusio","vendor_name":"quarkusio","product_slug":"quarkus","product_name":"quarkus","version_start":">= 3.27.0, < 3.27.4.1","version_start_inclusive":true,"version_end":">= 3.27.0, < 3.27.4.1","version_end_inclusive":true,"cpe23_uri":"cve5:quarkusio:quarkus:>= 3.27.0, < 3.27.4.1:>= 3.27.0, < 3.27.4.1"},{"vendor_slug":"quarkusio","vendor_name":"quarkusio","product_slug":"quarkus","product_name":"quarkus","version_start":"< 3.20.6.2","version_start_inclusive":true,"version_end":"< 3.20.6.2","version_end_inclusive":true,"cpe23_uri":"cve5:quarkusio:quarkus:< 3.20.6.2:< 3.20.6.2"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/quarkusio/quarkus/security/advisories/GHSA-qcxp-gm7m-4j5v","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-06-19T20:26:39.322000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:55:22.518073Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:22.518073Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:22.518073Z","label":"CVSS score revised","source":"cvelistv5"}]}