Eclipse Jetty TryPathsHandler URI Query Injection
CVE-2026-76182 Published on October 15, 2026
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`.
Vulnerability Analysis
CVE-2026-76182 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. An automatable proof of concept (POC) exploit exists. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an Injection Vulnerability?
The software 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. Software has certain assumptions about what constitutes data and control respectively. It is the lack of verification of these assumptions for user-controlled input that leads to injection problems. Injection problems encompass a wide variety of issues -- all mitigated in very different ways and usually attempted in order to alter the control flow of the process. For this reason, the most effective way to discuss these weaknesses is to note the distinct features which classify them as injection weaknesses. The most important issue to note is that all injection problems share one thing in common -- i.e., they allow for the injection of control plane data into the user-controlled data plane. This means that the execution of the process may be altered by sending code in through legitimate data channels, using no other mechanism. While buffer overflows, and many other flaws, involve the use of some further issue to gain execution, injection problems need only for the data to be parsed. The most classic instantiations of this category of weakness are SQL injection and format string vulnerabilities.
CVE-2026-76182 has been classified to as an Injection vulnerability or weakness.
Products Associated with CVE-2026-76182
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Affected Versions
Eclipse Foundation Eclipse Jetty:- Version 12.1.0, <= 12.1.12 is affected.
- Version 12.0.0, <= 12.0.38 is affected.
- Version 12.1.0, <= 12.1.12 is affected.
- Version 12.1.0, <= 12.1.12 is affected.
- Version 12.0.0, <= 12.0.38 is affected.
- Version 12.1.0, <= 12.1.12 is affected.
- Version 12.0.0, <= 12.0.38 is affected.
- Version 11.0.0, <= 11.0.32 is affected.
- Version 10.0.0, <= 10.0.32 is affected.
- Version 9.4.0, <= 9.4.64 is affected.
- Version 12.1.0, <= 12.1.12 is affected.
- Version 12.0.0, <= 12.0.38 is affected.