{"id":"UBUNTU-CVE-2026-18661","details":"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 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.","modified":"2026-10-17T12:59:54.056857496Z","published":"2026-10-15T00:00:00Z","upstream":["CVE-2026-18661"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-18661"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-18661"},{"type":"REPORT","url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-v6xf-996f-c35f"},{"type":"REPORT","url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/211"}],"affected":[{"package":{"name":"jetty","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/jetty?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.1.26-1ubuntu1","6.1.26-1ubuntu1.1","6.1.26-1ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"6.1.26-1ubuntu1.2","binary_name":"jetty"},{"binary_version":"6.1.26-1ubuntu1.2","binary_name":"libjetty-extra"},{"binary_version":"6.1.26-1ubuntu1.2","binary_name":"libjetty-extra-java"},{"binary_version":"6.1.26-1ubuntu1.2","binary_name":"libjetty-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-18661.json"}},{"package":{"name":"jetty","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/jetty?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.1.26-5","6.1.26-5ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libjetty-extra","binary_version":"6.1.26-5ubuntu0.1"},{"binary_name":"libjetty-extra-java","binary_version":"6.1.26-5ubuntu0.1"},{"binary_name":"libjetty-java","binary_version":"6.1.26-5ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-18661.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"},{"type":"Ubuntu","score":"medium"}]}