CVE-2026-18659: medium-severity vulnerability in Eclipse Foundation org.eclipse.jetty.ee10:jetty…
Unauthenticated authorization bypass in ConstraintSecurityHandler - HTTP method-omission matched by substring
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.4%
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.
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
Affected products
Eclipse Foundation · org.eclipse.jetty.ee10:jetty-ee10-servletEclipse Foundation · org.eclipse.jetty.ee11:jetty-ee11-servletEclipse Foundation · org.eclipse.jetty.ee8:jetty-ee8-securityEclipse Foundation · org.eclipse.jetty.ee9:jetty-ee9-securityEclipse Foundation · org.eclipse.jetty:jetty-securityRelated CVEs — Eclipse Foundation org.eclipse.jetty.ee10:jetty…
In the same product, most dangerous first.