Aias00 opened a new issue, #6751:
URL: https://github.com/apache/shenyu/issues/6751

   - severity: Medium
   - files: 
`shenyu-plugin/shenyu-plugin-mcp-server/src/main/java/org/apache/shenyu/plugin/mcp/server/request/RequestConfigHelper.java:187-216`
   - description: Path parameters substituted via 
`modifiedBasePath.replace("{{." + key + "}}", value)` and query via 
`queryBuilder.append(key).append("=").append(value)` with no URL encoding. 
Values containing `&`, `=`, `#`, `/`, `+`, `%` corrupt the path/query (e.g., 
`&` in a query value injects an extra parameter).
   - impact: Malformed downstream URLs / query-parameter injection for values 
containing reserved characters.
   - suggested_fix: URL-encode path segments and query values.
   - confidence: High
   - related_existing: none
   
   ---
   _Identified during the 2026-08-02 deep re-scan; full list in 
[`docs/scan2-2026-08-02/06-medium-tiers.md`](docs/scan2-2026-08-02/06-medium-tiers.md)._


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