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🛡️ Sentinel: [CRITICAL] Fix SQL injection in SQLite PRAGMA execution - #284

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sentinel-fix-pragma-sqli-17119553243169270238
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🛡️ Sentinel: [CRITICAL] Fix SQL injection in SQLite PRAGMA execution#284
mapleleaflatte03 wants to merge 4 commits into
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sentinel-fix-pragma-sqli-17119553243169270238

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🚨 Severity: CRITICAL
💡 Vulnerability: SQL injection via the MERIDIAN_OBSERVABILITY_SQLITE_JOURNAL_MODE environment variable when it is directly interpolated into a PRAGMA journal_mode= statement in observability_store.py.
🎯 Impact: An attacker who can control or influence environment variables could append arbitrary commands or close standard configuration contexts, leading to arbitrary SQLite operations.
🔧 Fix: Validates the value of MERIDIAN_OBSERVABILITY_SQLITE_JOURNAL_MODE strictly against an explicit allowlist (e.g., DELETE, TRUNCATE, PERSIST, MEMORY, WAL, OFF) before using it.
✅ Verification: Tested locally via isolated test script and verified existing observability_store unit tests execute without new regressions. Recorded learning in .jules/sentinel.md.


PR created automatically by Jules for task 17119553243169270238 started by @mapleleaflatte03

…ity_store.py

Sanitizes MERIDIAN_OBSERVABILITY_SQLITE_JOURNAL_MODE env variable by strictly checking against an allowlist before using it in a SQLite PRAGMA journal_mode statement. PRAGMA statements cannot use standard parameterized binding, making the allowlist necessary to prevent injection.

Co-authored-by: mapleleaflatte03 <240846662+mapleleaflatte03@users.noreply.github.com>
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google-labs-jules Bot and others added 3 commits August 13, 2026 19:09
…ity_store.py

Sanitizes MERIDIAN_OBSERVABILITY_SQLITE_JOURNAL_MODE env variable by strictly checking against an allowlist before using it in a SQLite PRAGMA journal_mode statement. PRAGMA statements cannot use standard parameterized binding, making the allowlist necessary to prevent injection.

Co-authored-by: mapleleaflatte03 <240846662+mapleleaflatte03@users.noreply.github.com>
…ity_store.py

Sanitizes MERIDIAN_OBSERVABILITY_SQLITE_JOURNAL_MODE env variable by strictly checking against an allowlist before using it in a SQLite PRAGMA journal_mode statement. PRAGMA statements cannot use standard parameterized binding, making the allowlist necessary to prevent injection.

Co-authored-by: mapleleaflatte03 <240846662+mapleleaflatte03@users.noreply.github.com>
…ity_store.py

Sanitizes MERIDIAN_OBSERVABILITY_SQLITE_JOURNAL_MODE env variable by strictly checking against an allowlist before using it in a SQLite PRAGMA journal_mode statement. PRAGMA statements cannot use standard parameterized binding, making the allowlist necessary to prevent injection.

Co-authored-by: mapleleaflatte03 <240846662+mapleleaflatte03@users.noreply.github.com>
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