CVE-2026-18659CWE-863broken-access-control

CVE-2026-18659

published October 15, 2026

CVSS
6.9
EPSS
0%
Percentile
36.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
6.9 · NONE
CVSS v4.0
6.9 · 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
EPSS
0.00428 · 36.0th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-10-15T14:17Z
References (3)
https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr · [email protected]https://gitlab.eclipse.org/security/cve-assignment/-/work_items/214 · [email protected]https://github.com/jetty/jetty.project/security/advisories/GHSA-53x7-f9fc-h7qr · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 16 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 15 OCT 09:44Z
    Unauthenticated authorization bypass in ConstraintSecurityHandler - HTTP method-omission matched by substring
    cvelistv5
  • 15 OCT 09:44Z
    Unauthenticated authorization bypass in ConstraintSecurityHandler - HTTP method-omission matched by substring
    cvelistv5