PT-2026-114860 · Eclipse Foundation+1 · Eclipse Jetty+6

CVE-2026-18661

·

Published

2026-10-15

·

Updated

2026-10-15

CVSS v4.0

8.8

High

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
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.

Exploit

Fix

Incorrect Authorization

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Weakness Enumeration

Related Identifiers

CVE-2026-18661
GHSA-V6XF-996F-C35F

Affected Products

Eclipse Jetty
Jetty.Project
Org.Eclipse.Jetty.Ee10:Jetty-Ee10-Annotations
Org.Eclipse.Jetty.Ee11:Jetty-Ee11-Annotations
Org.Eclipse.Jetty.Ee8:Jetty-Ee8-Annotations
Org.Eclipse.Jetty.Ee9:Jetty-Ee9-Annotations
Org.Eclipse.Jetty:Jetty-Annotations