Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting org.eclipse.jetty.fcgi:fcgi-server 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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JAVA-ORGECLIPSEJETTYFCGI-21243522
- published19 Oct 2026
- disclosed15 Oct 2026
- credit4ra1n, pyn3rd, unam4
Introduced: 15 Oct 2026
NewCVE-2026-76182 (opens in a new tab)How to fix?
Upgrade org.eclipse.jetty.fcgi:fcgi-server to version 9.4.65, 10.0.33, 11.0.33 or higher.
Overview
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in the TryPathsHandler or TryFilesFilter process. An attacker can manipulate query parameters by crafting a request path containing reserved URI characters, causing the application to misinterpret the intended parameters.