CVE-2026-18659

UNKNOWN 0.0

Unauthenticated authorization bypass in ConstraintSecurityHandler - HTTP method-omission matched by substring

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	eclipse foundation
Published	Oct 15, 2026
Last Updated	Oct 15, 2026

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Affected Versions

Eclipse Foundation /

12.1.0 ≤ 12.1.11

Eclipse Foundation /

12.1.0 ≤ 12.1.11 12.0.0 ≤ 12.0.38

Eclipse Foundation /

12.1.0 ≤ 12.1.11 12.0.0 ≤ 12.0.38

Eclipse Foundation /

12.1.0 ≤ 12.1.11 12.0.0 ≤ 12.0.38

Eclipse Foundation /

11.0.0 ≤ 11.0.32 10.0.0 ≤ 10.0.32 7.6.13 ≤ 9.4.64

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr gitlab.eclipse.org: https://gitlab.eclipse.org/security/cve-assignment/-/work_items/214

Credits

https://github.com/thientd