Exposure of Data Element to Wrong Session Affecting org.eclipse.jetty:jetty-server package, versions [12.0.0,12.0.36)[12.1.0,12.1.10)
Threat Intelligence
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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- published23 Jul 2026
- disclosed22 Jul 2026
- creditUnknown
Introduced: 22 Jul 2026
NewCVE-2026-10051 (opens in a new tab)How to fix?
Upgrade org.eclipse.jetty:jetty-server to version 12.0.36, 12.1.10 or higher.
Overview
org.eclipse.jetty:jetty-server is a lightweight highly scalable java based web server and servlet engine.
Affected versions of this package are vulnerable to Exposure of Data Element to Wrong Session due to the connection-scoped _trailers handling in the HTTP/1.1 request processing path. An attacker can expose stale trailer fields to a later request on the same keep-alive connection by sending a request with trailers and then a follow-on request without them. The server reuses the same HttpConnection state across requests, so application code that reads request.getTrailers() on the second request can see trailer data from the first request. This can cause incorrect request handling and leakage of request metadata between requests handled on the same connection.