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🛡️ Sentinel: Fix input validation and path handling security issues#1

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kassoulet merged 2 commits intomainfrom
sentinel/security-enhancements-18275841934138436683
Feb 18, 2026
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🛡️ Sentinel: Fix input validation and path handling security issues#1
kassoulet merged 2 commits intomainfrom
sentinel/security-enhancements-18275841934138436683

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@kassoulet
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Identified and fixed multiple security and robustness issues in Untracker:

  1. Input Validation: Added range checks for sample_rate and stereo_separation to ensure they stay within supported and safe bounds.
  2. Resource Protection: Added a 512MB limit for input files to prevent OOM/DoS vulnerabilities when reading modules into memory.
  3. Safe Path Handling: Replaced string-based path concatenation with PathBuf and updated internal APIs to use AsRef<Path>, preventing potential path traversal issues and accidental writes to system root.

These changes follow "Defense in Depth" principles and improve the overall resilience of the application against malicious or malformed inputs.


PR created automatically by Jules for task 18275841934138436683 started by @kassoulet

- Added validation for sample_rate (8kHz-192kHz) and stereo_separation (0-400%) to prevent invalid values being passed to underlying libraries.
- Implemented a 512MB file size limit in `read_file_to_buffer` to protect against OOM/DoS attacks.
- Refactored output path construction to use `PathBuf` instead of string concatenation, preventing accidental writes to the root directory.
- Updated `write_audio_file` to accept `AsRef<Path>` for improved type safety and flexibility.
- Recorded findings in .jules/sentinel.md.

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
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…rected stereo separation limit)

- Added validation for sample_rate (8kHz-192kHz) and stereo_separation (0-200%) to prevent invalid values being passed to underlying libraries.
- Implemented a 512MB file size limit in `read_file_to_buffer` to protect against OOM/DoS attacks.
- Refactored output path construction to use `PathBuf` instead of string concatenation, preventing accidental writes to the root directory.
- Updated `write_audio_file` to accept `AsRef<Path>` for improved type safety and flexibility.
- Recorded findings in .jules/sentinel.md.

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
@kassoulet kassoulet merged commit 8587fef into main Feb 18, 2026
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