CVE-2026-18660: Jetty proxy blacklist performs case-sensitive matching of case-insensitive DNS hostnames
Eclipse Foundation · org.eclipse.jetty:jetty-server
Affected: Eclipse Foundation org.eclipse.jetty:jetty-server · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 24% of scored CVEs
DescriptionCVE.org
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.
Affected products2
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Eclipse Foundation · org.eclipse.jetty:jetty-serverfrom 12.1.0 up to and including 12.1.11; from 12.0.0 up to and including 12.0.38
- Eclipse Foundation · org.eclipse.jetty:jetty-proxyfrom 11.0.0 up to and including 11.0.32; from 10.0.0 up to and including 10.0.32; from 9.0.0 up to and including 9.4.64
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Eclipse Foundation
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-18660 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.