{"id":"CVE-2026-18659","title":"In Eclipse Jetty, across various versions of `jetty-security`, and `jetty-eeN-security`, and `jetty-eeN-servlet`, the Jakarta Spec constraints defined as `http-method-omission` can be bypassed by using substrings of the defined HTTP Meth…","summary":"In Eclipse Jetty, across various versions of `jetty-security`, and `jetty-eeN-security`, and `jetty-eeN-servlet`, the Jakarta Spec constraints defined as `http-method-omission` can be bypassed by using substrings of the defined HTTP Meth…","severity":"medium","cvss":6.9,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-863","CWE-358"],"vendor":"Eclipse Foundation","product":"org.eclipse.jetty.ee11:jetty-ee11-servlet","affected":["org.eclipse.jetty.ee11:jetty-ee11-servlet >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee10:jetty-ee10-servlet >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee10:jetty-ee10-servlet >= 12.0.0 <= 12.0.38","org.eclipse.jetty.ee9:jetty-ee9-security >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee9:jetty-ee9-security >= 12.0.0 <= 12.0.38","org.eclipse.jetty.ee8:jetty-ee8-security >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee8:jetty-ee8-security >= 12.0.0 <= 12.0.38","org.eclipse.jetty:jetty-security >= 11.0.0 <= 11.0.32","org.eclipse.jetty:jetty-security >= 10.0.0 <= 10.0.32","org.eclipse.jetty:jetty-security >= 9.4.0 <= 9.4.64"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T14:41:34.110","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18659","references":[{"url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr","label":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/214","label":"emo@eclipse.org"},{"url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-18659.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-18659"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2553182"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18659"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18659"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T13:24:19.948451Z"},"cvssSource":"cna","ingestedAt":"2026-10-15T09:59:33.282Z","scores":{"cna":6.9,"vendor":6.5},"epss":0.00412,"epssPercentile":0.3529,"slug":"CVE-2026-18659","body":"## Overview\n\nIn Eclipse Jetty, across various versions of `jetty-security`, and `jetty-eeN-security`, and `jetty-eeN-servlet`, the Jakarta Spec constraints defined as `http-method-omission` can be bypassed by using substrings of the defined HTTP Methods.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Exploit Intelligence, OpenShift Developer Tools and Services, Red Hat AMQ Broker 7, Red Hat build of Apache Camel - HawtIO 4, Red Hat build of Apache Camel for Spring Boot 4, Red Hat build of Apicurio Registry 3, … · no fix planned: Exploit Intelligence, OpenShift Developer Tools and Services, Red Hat Fuse 7, Red Hat Offline Knowledge Portal, … · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-18659.json)","depth":"twilight","depthScore":50,"depthScoreParts":{"impact":38,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":222379,"id":"CVE-2026-18659","ts":1792073323245,"field":"exploit_available","old":"false","new":"true"}]}