CVE-2026-18659
Medium
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.
SeverityMedium
CVSS6.9
Exploit probability—
ProductEclipse Foundation Org.eclipse.jetty.ee11:jetty-ee11-servlet
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Eclipse Foundation org.eclipse.jetty.ee11:jetty-ee11-servlet | 12.1.0 ≤ v ≤ 12.1.11 | — |
| Eclipse Foundation org.eclipse.jetty.ee10:jetty-ee10-servlet | 12.1.0 ≤ v ≤ 12.1.11, 12.0.0 ≤ v ≤ 12.0.38 | — |
| Eclipse Foundation org.eclipse.jetty.ee9:jetty-ee9-security | 12.1.0 ≤ v ≤ 12.1.11, 12.0.0 ≤ v ≤ 12.0.38 | — |
| Eclipse Foundation org.eclipse.jetty.ee8:jetty-ee8-security | 12.1.0 ≤ v ≤ 12.1.11, 12.0.0 ≤ v ≤ 12.0.38 | — |
| Eclipse Foundation org.eclipse.jetty:jetty-security | 11.0.0 ≤ v ≤ 11.0.32, 10.0.0 ≤ v ≤ 10.0.32, 7.6.13 ≤ v ≤ 9.4.64 | — |
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