In Eclipse Jetty, across various versions of `jetty-security`, and `jetty-eeN-security`, two or more security constraints with the same http-method-omission set, and no url-patterns, are not combined properly per Jakarta Servlet Spec.



Resulting in later http-method-omission sets overriding previous constraints with the same http-method-omission set.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Title org.eclipse.jetty/jetty-security: Eclipse Jetty: Access control bypass via improper security constraint combination
Weaknesses CWE-425
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

threat_severity

Moderate


Thu, 15 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Description In Eclipse Jetty, across various versions of `jetty-security`, and `jetty-eeN-security`, two or more security constraints with the same http-method-omission set, and no url-patterns, are not combined properly per Jakarta Servlet Spec. Resulting in later http-method-omission sets overriding previous constraints with the same http-method-omission set.
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2026-10-15T13:28:30.423Z

Reserved: 2026-08-03T13:22:01.555Z

Link: CVE-2026-18662

cve-icon Vulnrichment

Updated: 2026-10-15T13:28:26.011Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-15T10:17:12.357

Modified: 2026-10-15T14:41:34.110

Link: CVE-2026-18662

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-15T09:42:40Z

Links: CVE-2026-18662 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-17T02:45:13Z

Weaknesses