CVE-2026-18659

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 Methods.

• https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr
• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/214
• https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr