CVE-2026-63345 : 詳細

CVE-2026-63345

2026-10-30
23h17 +00:00
Code Injection
A03-Injection
2026-11-02
19h35 +00:00
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CVE の説明

Refitter is a tool for generating a C# REST API client using the Refit library. Prior to 2.1.2, OpenAPI `paths`-object keys are emitted verbatim into Refit route attributes such as `[Get("")]` without escaping quotation marks or restricting characters. An attacker-influenced single-line, slash-prefixed path survives default validation without `--skip-validation` and can close the attribute string, interface, and namespace while introducing a top-level file class and reopening the generated structure to keep valid C#. A `[ModuleInitializer]` method executes attacker code when an application compiles and loads the generated assembly at startup, even without calling the generated client. The enum and default value sinks are escaped and are not the vulnerable path-emission sink. The behavior was verified on Refitter 2.0.0 with .NET 8. This issue is fixed in version 2.1.2.

CVE の情報

関連する弱点

CWE-ID 弱点名 出典
CWE-94 Improper Control of Generation of Code
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CWE-1116 Inaccurate Source Code Comments
The source code contains comments that do not accurately describe or explain aspects of the portion of the code with which the comment is associated.

参考資料