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CVE-2026-18661
Published:October 15, 2026
Updated:October 19, 2026
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.
Affected Packages
org.eclipse.jetty:jetty-annotations (JAVA):
Affected version(s) >=11.0.0 <11.0.33
Fix Suggestion:
Update to version 11.0.33
org.eclipse.jetty:jetty-annotations (JAVA):
Affected version(s) >=10.0.0 <10.0.33
Fix Suggestion:
Update to version 10.0.33
org.eclipse.jetty:jetty-annotations (JAVA):
Affected version(s) >=9.4.0.v20161208 <9.4.65
Fix Suggestion:
Update to version 9.4.65
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
EPSS
Base Score:
0.34