CVE-2026-18660 - Vulnerability Details - OpenCVE

In Eclipse Jetty, across various versions of `jetty-server`, and `jetty-proxy`, the host whitelist/blacklist is case-sensitive, and would allow hosts through that only differ by case.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

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 0.00421.

Exploitation poc

Automatable yes

Technical Impact partial

No data.

No data.

No data.

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-7wfj-j486-mxrf
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/212

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-server`, and `jetty-proxy`, the host whitelist/blacklist is case-sensitive, and would allow hosts through that only differ by case.
Title		Jetty proxy blacklist performs case-sensitive matching of case-insensitive DNS hostnames
Weaknesses		CWE-178 CWE-918
References		https://github.com/jetty/jetty.project/security/advisories/GHSA-7wfj-j486-mxrf https://gitlab.eclipse.org/security/cve-assignment/-/work_items/212
Metrics		cvssV4_0 `{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2026-10-15T09:38:02.125Z

Updated: 2026-10-15T13:32:37.345Z

Reserved: 2026-08-03T13:21:48.912Z

Link: CVE-2026-18660

Vulnrichment

Updated: 2026-10-15T13:32:33.712Z

NVD

Status : Awaiting Analysis

Published: 2026-10-15T10:17:12.097

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

Link: CVE-2026-18660

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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