{"id":"CVE-2026-102479","aliases":[],"cve":{"records":[{"id":"CVE-2026-102479","source":"eclipse","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-29T08:57:24.202Z","published":"2026-10-14T18:43:54.623Z","modified":"2026-10-28T21:06:12.367Z"}],"publishers":[{"name":"eclipse","role":"CNA","organizationId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","modified":"2026-10-14T18:43:54.623Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-16T18:23:47.949Z"},{"name":"CVE","role":"ADP","organizationId":"af854a3a-2127-422b-91ae-364da2661108","modified":"2026-10-28T21:06:12.367Z"}],"references":[{"url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx","tags":[],"source":"eclipse"},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/352","tags":[],"source":"eclipse"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/28/19","tags":[],"source":"CVE"}],"weaknesses":[{"id":"CWE-444","description":"CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","source":"CISA-ADP"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-16T18:23:27.862590Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"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…","titleSource":"eclipse","descriptionSource":"eclipse","description":"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.","score":8.7,"severity":"high","published":"2026-10-14T18:43:54.623Z","modified":"2026-10-28T21:06:12.367Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Eclipse Foundation","name":"Eclipse Vert.x","platforms":[],"versions":[{"version":"5.0.0","status":"affected","lessThanOrEqual":"5.0.12","versionType":"semver"},{"version":"5.1.0","status":"affected","lessThanOrEqual":"5.1.9","versionType":"semver"},{"version":"5.2.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"eclipse","url":"https://www.cve.org/CVERecord?id=CVE-2026-102479"}],"remediation":[],"references":["https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-ch7p-g5pm-3gqx","https://gitlab.eclipse.org/security/cve-assignment/-/work_items/352","http://www.openwall.com/lists/oss-security/2026/10/28/19"],"sources":[{"name":"CVE","id":"CVE-2026-102479","modified":"2026-10-28T21:06:12.367Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-102479"}],"assessments":[{"source":"eclipse","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.7}],"sourceAffected":[],"observedAt":"2026-10-29T14:08:19.861Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T10:20:31.211Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T00:05:30.553Z","attemptedAt":"2026-10-29T00:05:30.553Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-29T00:05:30.553Z","attemptedAt":"2026-10-29T00:05:30.553Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T00:05:30.553Z","attemptedAt":"2026-10-29T00:05:30.553Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T00:05:30.553Z","attemptedAt":"2026-10-29T00:05:30.553Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-102479","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102479","modified":"2026-10-28T21:16:55.323","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T00:05:30.553Z"},{"source":"NVD","id":"CVE-2026-102479","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102479","modified":"2026-10-28T21:16:55.323","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T00:05:30.553Z"},{"source":"ENISA EUVD","id":"EUVD-2026-101557","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101557","modified":"Oct 28, 2026, 9:06:12 PM","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","checkedAt":"2026-10-29T00:05:30.553Z"},{"source":"FIRST EPSS","id":"CVE-2026-102479","url":"https://www.first.org/epss/","probability":0.0027,"percentile":0.19113,"date":"2026-10-28","checkedAt":"2026-10-29T00:05:30.553Z"}],"aiSummary":{"text":"Eclipse Vert.x versions 5.0.0 to 5.0.12, 5.1.0 to 5.1.9, and 5.2.0 have a weakness where the HTTP/1.x decoder's canonicalization process can interpret crafted headers, potentially allowing request smuggling. The impacted component is io.vertx:vertx-core. This can be exploited for request smuggling purposes.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T08:56:16.866Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-102479"}]}}