Incorrect Authorization Affecting org.eclipse.jetty:jetty-security package, versions [9.4.0-alpha0, 9.4.65)[10.0.0-alpha0, 10.0.33)[11.0.0-alpha0, 11.0.33)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 Oct 2026
- disclosed15 Oct 2026
- creditthientd
Introduced: 15 Oct 2026
NewCVE-2026-18659 (opens in a new tab)How to fix?
Upgrade org.eclipse.jetty:jetty-security to version 9.4.65, 10.0.33, 11.0.33 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization in the ConstraintSecurityHandler process when HTTP method constraints are defined with http-method-omission. An attacker can gain unauthorized access by crafting requests that use substrings of the defined HTTP methods, thereby bypassing intended security restrictions.