{"id":"CVE-2026-18661","title":"In Eclipse Jetty, across various versions of `jetty-annotations`, and `jetty-eeN-annotations`, the Jakarta Spec authoritative url-pattern rules for mixed `@ServletSecurity` annotation, and `web.xml` defined `security-constraint` on the s…","summary":"In Eclipse Jetty, across various versions of `jetty-annotations`, and `jetty-eeN-annotations`, the Jakarta Spec authoritative url-pattern rules for mixed `@ServletSecurity` annotation, and `web.xml` defined `security-constraint` on the s…","severity":"high","cvss":8.8,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-863"],"vendor":"Eclipse Foundation","product":"org.eclipse.jetty.ee11:jetty-ee11-annotations","affected":["org.eclipse.jetty.ee11:jetty-ee11-annotations >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee10:jetty-ee10-annotations >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee10:jetty-ee10-annotations >= 12.0.0 <= 12.0.38","org.eclipse.jetty.ee9:jetty-ee9-annotations >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee9:jetty-ee9-annotations >= 12.0.0 <= 12.0.38","org.eclipse.jetty.ee8:jetty-ee8-annotations >= 12.1.0 <= 12.1.11","org.eclipse.jetty.ee8:jetty-ee8-annotations >= 12.0.0 <= 12.0.38","org.eclipse.jetty:jetty-annotations >= 11.0.0 <= 11.0.32","org.eclipse.jetty:jetty-annotations >= 10.0.0 <= 10.0.32","org.eclipse.jetty:jetty-annotations >= 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-2026-18661","references":[{"url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-v6xf-996f-c35f","label":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/211","label":"emo@eclipse.org"},{"url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-v6xf-996f-c35f","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T13:46:08.767812Z"},"cvssSource":"cna","ingestedAt":"2026-10-15T09:59:33.278Z","epss":0.00424,"epssPercentile":0.36527,"slug":"CVE-2026-18661","body":"## Overview\n\nIn Eclipse Jetty, across various versions of `jetty-annotations`, and `jetty-eeN-annotations`, the Jakarta Spec authoritative url-pattern rules for mixed `@ServletSecurity` annotation, and `web.xml` defined `security-constraint` on the same `url-pattern` were not being applied if the `web.xml` had more than 1 `url-pattern` for a servlet, and had a `security-constraint` applying to only some of those `url-pattern` definitions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":60,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":222365,"id":"CVE-2026-18661","ts":1792073306669,"field":"exploit_available","old":"false","new":"true"}]}