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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00428.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Eclipse Foundation unaffected
Version Status Constraints
12.1.0 affected ≤ 12.1.11
Eclipse Foundation unaffected
Version Status Constraints
12.1.0 affected ≤ 12.1.11
12.0.0 affected ≤ 12.0.38
Eclipse Foundation unaffected
Version Status Constraints
12.1.0 affected ≤ 12.1.11
12.0.0 affected ≤ 12.0.38
Eclipse Foundation unaffected
Version Status Constraints
12.1.0 affected ≤ 12.1.11
12.0.0 affected ≤ 12.0.38
Eclipse Foundation unaffected
Version Status Constraints
11.0.0 affected ≤ 11.0.32
10.0.0 affected ≤ 10.0.32
7.6.13 affected ≤ 9.4.64

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr cve-icon cve-icon cve-icon
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/214 cve-icon cve-icon
History

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`, and `jetty-eeN-servlet`, the Jakarta Spec constraints defined as `http-method-omission` can be bypassed by using substrings of the defined HTTP Methods.
Title Unauthenticated authorization bypass in ConstraintSecurityHandler - HTTP method-omission matched by substring
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: 2026-10-15T13:26:19.435Z

Reserved: 2026-08-03T13:20:03.063Z

Link: CVE-2026-18659

cve-icon Vulnrichment

Updated: 2026-10-15T13:26:16.229Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-15T10:17:11.943

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

Link: CVE-2026-18659

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses