CVE-2026-18660

Jetty proxy blacklist performs case-sensitive matching of case-insensitive DNS hostnames

State
Published
Severity
8.8 High
Published
Oct 15, 2026
Updated
Oct 15, 2026
Reserved
Aug 3, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.08.8 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:Neclipse

Weaknesses

Affected Products

ProductVersions
org.eclipse.jetty:jetty-serverEclipse Foundation
  • 12.1.0 through 12.1.11Affected
  • 12.0.0 through 12.0.38Affected
org.eclipse.jetty:jetty-proxyEclipse Foundation
  • 11.0.0 through 11.0.32Affected
  • 10.0.0 through 10.0.32Affected
  • 9.0.0 through 9.4.64Affected

References

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