fix(security): resolve 50 CodeQL stack-trace-exposure alerts across API routers - #27
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September 27, 2026 05:43
…k hashing alerts - py/full-ssrf (#42): validate URL scheme, block restricted metadata hosts, and reconstruct safe endpoints with urlunsplit in litellm_service and settings router - py/polynomial-redos (#43, #44): optimize template literal regex and switch Next.js route path extraction to deterministic component splitting in api_route_extractor - js/incomplete-url-substring-sanitization (#95): parse hostname via new URL and verify domain boundaries in SearchInspector.tsx - py/clear-text-logging-sensitive-data (#1, #2, #3): sanitize logging in key_service by eliminating key prefix strings from log messages - py/weak-sensitive-data-hashing (#41): use PBKDF2-HMAC-SHA256 with salt for API key hashing in key_service - sync test counts in REQUIREMENTS.md
- local_storage.py: enforce explicit storage_root startswith and commonpath containment in resolve_safe_path, save_file_content, index_file, read_file_content, delete_file, and get_file_tree - file_reader.py: add root_prefix startswith validation in _is_within_root for both target and symlink paths - summarizer.py: normalize filepath and enforce storage prefix containment when reading from disk/storage - repositories.py: sanitize and validate paths against null bytes and .. traversal in api_add_path and api_browse_dir - files.py: validate input path against traversal in api_summarize_file - indexing/processor.py: normalize filepath before checking existence and mtime - vector_store (chroma & qdrant): normalize target_storage path before directory creation and client initialization - pdf_extractor.py: normalize source path before checking existence, size, and opening document - adr.py: normalize filepath before checking existence and reading ADR markdown content
…PI routers - Sanitize exception responses across endpoints in settings.py, storage.py, repositories.py, navigator.py, graph.py, ingestion.py, and webhooks.py. - Ensure internal exception objects and stack traces are logged server-side rather than leaked to clients. - Update test error handling assertions to verify 500 status and error presence without relying on exposed internal exception messages.
![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
| if content is None: | ||
| if os.path.exists(filepath): | ||
| norm_fp = os.path.normpath(os.path.abspath(filepath)) | ||
| if os.path.exists(norm_fp) and os.path.isfile(norm_fp): |
| if content is None: | ||
| if os.path.exists(filepath): | ||
| norm_fp = os.path.normpath(os.path.abspath(filepath)) | ||
| if os.path.exists(norm_fp) and os.path.isfile(norm_fp): |
| if os.path.exists(norm_fp) and os.path.isfile(norm_fp): | ||
| try: | ||
| with open(filepath, "r", encoding="utf-8", errors="replace") as f: | ||
| with open(norm_fp, "r", encoding="utf-8", errors="replace") as f: |
| os.makedirs(target_storage, exist_ok=True) | ||
| self.client = chromadb.PersistentClient(path=target_storage) | ||
| clean_storage = os.path.normpath(os.path.abspath(target_storage)) | ||
| os.makedirs(clean_storage, exist_ok=True) |
| os.makedirs(target_storage, exist_ok=True) | ||
| self.client = chromadb.PersistentClient(path=target_storage) | ||
| clean_storage = os.path.normpath(os.path.abspath(target_storage)) | ||
| os.makedirs(clean_storage, exist_ok=True) |
| os.makedirs(target_storage, exist_ok=True) | ||
| self.client = QdrantClient(path=target_storage) | ||
| clean_storage = os.path.normpath(os.path.abspath(target_storage)) | ||
| os.makedirs(clean_storage, exist_ok=True) |
| os.makedirs(target_storage, exist_ok=True) | ||
| self.client = QdrantClient(path=target_storage) | ||
| clean_storage = os.path.normpath(os.path.abspath(target_storage)) | ||
| os.makedirs(clean_storage, exist_ok=True) |
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Summary
Resolves 50 CodeQL
py/stack-trace-exposuresecurity alerts across ContextCortex backend API router endpoints:app/api/routers/settings.py: Sanitized 21 alerts across endpoints fetching stats, managing Git host credentials, updating tokens, configuring auto-sync, retrieving/clearing diagnostic logs, testing/switching vector stores, discovering models, and updating embedding/file configurations.app/api/routers/storage.py: Sanitized 12 alerts across PDF preview, file upload, file replace, file retrieval, file deletion, and storage file tree endpoints.app/api/routers/repositories.py: Sanitized 10 alerts across repository sync, repo creation, repo deletion, auto-sync toggle, branch discovery, and file browsing endpoints.app/api/routers/navigator.py: Sanitized 3 alerts across symbols lookup, file references, and codebase search endpoints.app/api/routers/graph.py: Sanitized 2 alerts across topology and dependencies graph endpoints.app/api/routers/ingestion.py: Sanitized 1 alert across ingestion status endpoint.app/api/webhooks.py: Sanitized 1 alert on invalid webhook JSON payloads.All internal exception details and stack traces are logged server-side via
logger.errororlogger.warningrather than returned to API clients.Verification