CVE-2026-76182
Received Received - Intake

Jetty URI Template Path Parameter Injection

Publication date: 2026-10-15

Last updated on: 2026-10-15

Assigner: Eclipse Foundation

Description
In Eclipse Jetty, `TryPathsHandler` and `TryFilesFilter` can be configured to forward requests to template URIs such as `index?p=$path`, where `$path` is the request path in context. However, URI paths may contain characters that are reserved in URI queries so that a path of `/s&a=1` when applied to the template becomes `index?p=/s&a=1`, which is interpreted as 2 query parameters: `p=/s` and `a=1`, rather than just one query parameter `p` whose value is `/s&a=1`.

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Meta Information

Published
2026-10-15
Last Modified
2026-10-15
Generated
2026-10-15
AI Q&A
2026-10-15
EPSS Evaluated
N/A
NVD
CVE-2026-76182
EUVD
EUVD-2026-101944

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
Eclipse Foundation Eclipse Jetty 12.1.0
Eclipse Foundation Eclipse Jetty 12.0.0
Eclipse Foundation Eclipse Jetty 11.0.0
Eclipse Foundation Eclipse Jetty 10.0.0
Eclipse Foundation Eclipse Jetty 9.4.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

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Executive Summary

This vulnerability in Eclipse Jetty involves the TryPathsHandler and TryFilesFilter components. When configured to forward requests to template URIs like index?p=$path, reserved characters in the request path can cause incorrect query parameter parsing. For example, a path like /s&a=1 becomes index?p=/s&a=1, which is misinterpreted as two separate parameters instead of one.

Impact Analysis

This vulnerability could allow attackers to manipulate query parameters, potentially leading to unintended behavior in applications using affected Jetty versions. It may cause incorrect routing, data leaks, or other unexpected outcomes depending on how the application processes the misparsed parameters.

Mitigation Strategies

Update Eclipse Jetty to versions outside the affected ranges for TryPathsHandler and TryFilesFilter components. Specifically, upgrade packages like jetty-ee10-fcgi-proxy, jetty-ee11-fcgi-proxy, jetty-ee8-fcgi-proxy, jetty-ee9-fcgi-proxy, fcgi-server, and jetty-server to versions beyond the specified vulnerable ranges.

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