{"schema":"threatline.record/2","record":{"id":"CVE-2026-102479","aliases":["GHSA-ch7p-g5pm-3gqx"],"summary":"In Eclipse Vert.x versions [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the Vert.x HTTP/1.x decoder uses a canonicalization for well known HTTP headers, the canonicalization process interprets w","details":"In Eclipse Vert.x versions [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the Vert.x HTTP/1.x decoder uses a canonicalization for well known HTTP headers, the canonicalization process interprets well crafted headers as headers of this list, allowing for instance Content-Xength to be interpeted as Content-Length.\n\n\n\nThis can be exploited for request smuggling purpose.\n\n\n\nThe impacted component is io.vertx:vertx-core.","categories":["Unclassified"],"product":"Eclipse Vert.x","vendor":"Eclipse Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102479","source_modified_at":"2026-10-16T18:23:47.949Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Eclipse Vert.x","vendor":"Eclipse Foundation","versions":[{"status":"affected","version":"5.0.0","lessThanOrEqual":"5.0.12","versionType":"semver"},{"status":"affected","version":"5.1.0","lessThanOrEqual":"5.1.9","versionType":"semver"},{"status":"affected","version":"5.2.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"GitHub Advisory Database","source_url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx","source_modified_at":"2026-10-14T18:46:57Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"ecosystem":"maven","name":"io.vertx:vertx-core"},"range":">= 5.0.0, <= 5.1.8"},{"source":"GitHub Advisory Database","source_url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx","source_modified_at":"2026-10-14T18:46:57Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"ecosystem":"maven","name":"io.vertx:vertx-core"},"range":"5.2.0"}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx","source_modified_at":"2026-10-14T18:46:57Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"ecosystem":"maven","name":"io.vertx:vertx-core"},"version":"5.1.10"},{"source":"GitHub Advisory Database","source_url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx","source_modified_at":"2026-10-14T18:46:57Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"ecosystem":"maven","name":"io.vertx:vertx-core"},"version":"5.2.1"}],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.0027,"percentile":0.18148,"score_date":"2026-10-23"},"published_at":"2026-10-14T18:43:54.623Z","modified_at":"2026-10-16T18:23:47.949Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102479","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T18:23:47.949Z"},{"source":"GitHub Advisory Database","url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T18:46:57Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102479","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","GitHub Advisory Database","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx"},{"source":"CVE List","url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/352"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-16T18:23:27.862590Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-16T18:23:47.949Z","content_hash":"a9497cb85dec8f5f97ec10f3196ecce1f494415bd86d522674ad2fce33a1ed4d"}}