{"id":"CVE-2026-87743","aliases":["EUVD-2026-82862","GHSA-pw2v-hfg7-72m6"],"status":"published","title":"Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security","description":"A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00522,"percentile":0.4459,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-551"],"published":"2026-09-18T09:38:27Z","modified":"2026-10-29T18:30:26Z","products":[{"vendor":"red hat","product":"exploit intelligence"},{"vendor":"red hat","product":"openshift serverless"},{"vendor":"red hat","product":"red hat build of apache camel 4 for quarkus 3"},{"vendor":"red hat","product":"red hat build of apicurio registry 3"},{"vendor":"red hat","product":"red hat build of debezium 3"},{"vendor":"red hat","product":"red hat build of keycloak"},{"vendor":"red hat","product":"red hat build of quarkus 3.27.5.sp2"},{"vendor":"red hat","product":"red hat build of quarkus 3.33.3.sp2"},{"vendor":"red hat","product":"red hat fuse 7"},{"vendor":"red hat","product":"red hat openshift ai (rhoai)"},{"vendor":"red hat","product":"red hat openshift dev spaces 3.31"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:69440","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:69470","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:90321","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-87743","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2530523","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87743"},{"url":"https://github.com/advisories/GHSA-pw2v-hfg7-72m6"}],"sources":{"cve":[{"id":"CVE-2026-87743","title":"Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security","description":"A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.","status":"published","published":"2026-09-18T09:38:27.326Z","modified":"2026-10-29T17:44:45.783Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-551"],"updated_at":"2026-11-02T13:37:47.463822Z"}],"euvd":[{"id":"EUVD-2026-82862","description":"A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.","status":"published","published":"2026-09-18T09:38:27Z","modified":"2026-10-29T17:44:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:59:15.391097Z"}],"ghsa":[{"id":"GHSA-pw2v-hfg7-72m6","title":"A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy...","description":"A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.","status":"published","published":"2026-09-18T12:31:19Z","modified":"2026-10-29T18:30:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-551"],"updated_at":"2026-11-02T15:14:39.34849Z"}],"nvd":[{"id":"CVE-2026-87743","description":"A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.","status":"published","published":"2026-09-18T10:17:07.52Z","modified":"2026-10-29T18:17:36.143Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-551"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}