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Added Cap::DATA_EXFIL and taint fp and fn fixes on real repos (#59)

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* feat: Enhance data exfiltration detection with source sensitivity gating for cookies and headers

* feat: Implement cross-file data exfiltration detection with parameter-specific gate filters

* feat: Add calibration tests and refine DATA_EXFIL severity scoring logic

* feat: Introduce per-detector configuration for data exfiltration suppression

* feat: Enhance DATA_EXFIL findings with destination field tracking in diagnostics and SARIF output

* feat: Add tainted body and URL handling for data exfiltration detection

* feat: Add integration tests and fixtures for DATA_EXFIL and SSRF detection in Go

* feat: Add Java integration tests and fixtures for DATA_EXFIL detection across multiple HTTP clients

* feat: Add synthetic externals handling for closure-captured variables in SSA

* feat: Implement closure-based suppression for resource leak findings

* feat: Add regression guards for shell-injection and taint propagation in for-of destructure patterns

* feat: Implement constructor cap narrowing for data exfiltration detection in HTTP request builders

* feat: Add gated sinks for data exfiltration detection in C and C++ using curl_easy_setopt

* feat: Implement DATA_EXFIL cap parity for backwards analysis and add integration tests

* feat: Add data exfiltration sinks for various languages and enhance documentation

* refactor: Simplify formatting and improve readability in various files

* refactor: Improve readability by simplifying conditional statements and adding clippy linting

* docs: Update CHANGELOG and comments for data exfiltration features and configuration

* docs: Clarify configuration instructions for data exfiltration trusted destinations

* docs: Enhance comments for evidence routing logic in data exfiltration
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Eli Peter 2026-05-01 10:59:52 -04:00 • committed by GitHub
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@ -194,7 +194,7 @@ kind = "sanitizer"
cap = "html_escape"
```
Or add rules interactively: `nyx config add-rule --lang javascript --matcher escapeHtml --kind sanitizer --cap html_escape`. Caps: `env_var`, `html_escape`, `shell_escape`, `url_encode`, `json_parse`, `file_io`, `fmt_string`, `sql_query`, `deserialize`, `ssrf`, `code_exec`, `crypto`, `unauthorized_id`, `all`. Full schema: [Configuration](https://elicpeter.github.io/nyx/configuration.html).
Or add rules interactively: `nyx config add-rule --lang javascript --matcher escapeHtml --kind sanitizer --cap html_escape`. Caps: `env_var`, `html_escape`, `shell_escape`, `url_encode`, `json_parse`, `file_io`, `fmt_string`, `sql_query`, `deserialize`, `ssrf`, `data_exfil`, `code_exec`, `crypto`, `unauthorized_id`, `all`. Full schema: [Configuration](https://elicpeter.github.io/nyx/configuration.html).
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