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  "IssueTotal": 22,
  "Held": 16,
  "Issues": [
    {
      "Title": "sec: redact connection strings in error output and logs",
      "Excerpt": "## Summary\n\nThe MongoDB connection URI (which may contain credentials) is exposed in multiple ways:\n\n1. **Process arguments**: Visible in `/proc/<pid>/cmdline` on Linux since the URI is passed as a CLI argument\n2. **Error messages**: MongoDB error messages often include the URI and are written to stderr without redaction in `src/index.ts`\n3. **Log files**: `logToolUsage` in `src/utils/logger.ts` writes full tool arguments to disk without sanitization\n\n## Proposed Fix\n\n1. Support `MONGODB_URI` en",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/37",
      "PublishedAt": "2026-02-27T21:30:57.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: enforce upper bounds on query result limits",
      "Excerpt": "## Summary\n\nSeveral tools have no maximum cap on the `limit` parameter:\n\n| Tool | Default | Max enforced |\n|---|---|---|\n| `find` | 10 | **None** |\n| `textSearch` | 10 | **None** |\n| `exportCollection` | none | **None** |\n| `findRecent` | 100 | **None** |\n| `findInTimeRange` | 100 | **None** |\n| `inferSchema` (sampleSize) | 100 | **None** |\n\nAn agent could request `limit: 10000000`, causing memory exhaustion or excessive data transfer.\n\n## Proposed Fix\n\nAdd `.max()` to all Zod limit/sampleSize s",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/35",
      "PublishedAt": "2026-02-27T21:30:46.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "fix: security gaps in profiler filters, projections, monitoring bounds, export limits, field names, and logging",
      "Excerpt": "## Security Findings\n\nSix verified vulnerabilities ranging from High to Low-Medium severity.\n\n### 1. HIGH — getProfilerStats accepts raw filters without operator blocking\n- `monitoring.ts:~485`: `filter` passed directly to `.find(filter)` without `preprocessQuery()` / `assertNoDangerousOperators()`\n- Allows `$where`/`$function`/`$accumulator`/`$eval` in profiler queries\n\n### 2. HIGH — cloneCollection/exportCollection/analyzeQueryPerformance: unvalidated projections\n- `data-quality.ts:~318`: proj",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/45",
      "PublishedAt": "2026-02-28T09:00:21.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: validate nested collection name params (relationshipMapper)",
      "Excerpt": "## Summary\n\nFollow-up from #34 / PR #42.\n\n`wrapServerWithNameValidation` validates top-level collection name params, but `relationshipMapper` in `src/tools/data-quality.ts` accepts `foreignCollection` nested inside `relationships[]`:\n\n```typescript\nrelationships: z.array(z.object({\n  localField: z.string(),\n  foreignCollection: z.string(),  // nested — not caught by wrapper\n  foreignField: z.string(),\n  as: z.string().optional(),\n})),\n```\n\nA payload like `{ relationships: [{ foreignCollection: \"",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/43",
      "PublishedAt": "2026-02-27T23:17:10.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: preprocess textSearch filter consistently",
      "Excerpt": "## Summary\n\nIn `src/tools/advanced-operations.ts`, the `textSearch` tool spreads user-provided `filter` directly into the query without passing it through `preprocessQuery()`:\n\n```typescript\nconst query: any = { $text: { $search: searchText } };\nif (filter) Object.assign(query, filter);\n```\n\nEvery other tool that accepts a filter runs it through `preprocessQuery()` first. This inconsistency means:\n- ObjectId string-to-ObjectId conversion does not happen for textSearch filters\n- Any future filter",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/36",
      "PublishedAt": "2026-02-27T21:30:52.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: validate collection and database names",
      "Excerpt": "## Summary\n\nCollection names across all tools are `z.string()` with no restrictions. Database names in tools like `getDatabaseStats` and `getProfilerStats` are similarly unrestricted.\n\n## Attack Vector\n\nAn agent could access:\n- `system.profile` — read profiling data (contains query details, auth info)\n- `system.js` — stored JavaScript functions (in read-write mode: inject server-side JS)\n- `system.users` / `admin.system.users` — authentication data\n- `local.oplog.rs` — replication oplog\n- Any da",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/34",
      "PublishedAt": "2026-02-27T21:30:43.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: gate runAdminCommand write-capable commands in read-only mode",
      "Excerpt": "## Summary\n\n`runAdminCommand` in `src/tools/monitoring.ts` is **not** marked as `writeOperation = true`, so it is registered even in read-only mode. Several allowed admin commands can **modify server state**:\n\n| Command | Effect |\n|---|---|\n| `profile` | Enables profiling — writes to `system.profile`, degrades performance |\n| `validate` with `repair: true` | Can modify/repair data |\n\nAdditionally, information-leaking commands are available:\n- `getCmdLineOpts` — exposes server startup configurati",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/33",
      "PublishedAt": "2026-02-27T21:30:38.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: validate bulkWrite sub-operations",
      "Excerpt": "## Summary\n\nThe `bulkWrite` tool in `src/tools/advanced-operations.ts` accepts `operations: z.array(z.record(z.any()))` and passes them **directly** to `db.collection(collection).bulkWrite(operations)` with zero validation.\n\n## Current State\n\n- No filter validation (empty filters allowed — could delete/update all documents)\n- No operation type restriction\n- No `shouldBlockFilter()` check (unlike `updateMany`/`deleteMany` which do check)\n- No limit on number of operations\n- No dangerous operator ",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/32",
      "PublishedAt": "2026-02-27T21:30:33.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: block dangerous MongoDB query operators ($where, $function, $accumulator)",
      "Excerpt": "## Summary\n\nNo tool in the codebase blocks dangerous MongoDB query operators that enable **arbitrary server-side JavaScript execution**. The following operators pass through unchecked to the MongoDB server:\n\n| Operator | Where it can appear | Risk |\n|---|---|---|\n| `$where` | Any filter/query | Executes arbitrary JS on the MongoDB server |\n| `$function` | Aggregation `$expr`, `$addFields` | Executes arbitrary JS on the MongoDB server |\n| `$accumulator` | Aggregation `$group` | Executes arbitrary",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/31",
      "PublishedAt": "2026-02-27T21:30:29.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "sec: block write-capable aggregation stages ($out, $merge) in pipeline validator",
      "Excerpt": "## Problem\n\nThe `aggregate` tool is registered as a read operation, making it available in read-only mode. However, users can pass write-capable aggregation stages (`$out`, `$merge`) through it, effectively bypassing read-only enforcement.\n\nThe pipeline validator (`src/utils/pipeline-validator.ts`) currently only validates stage count and expensive stage limits — it does not check for write-capable stages.\n\n## Impact\n\n- In read-only mode, a user (or an AI assistant via prompt injection) could ex",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/29",
      "PublishedAt": "2026-02-27T21:00:31.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Log logger failures to stderr instead of silently swallowing them",
      "Excerpt": "## Problem\n\nIn `src/utils/logger.ts` (lines 18, 31, 51), all file I/O errors during logging are silently swallowed:\n\n```typescript\n} catch (error) {\n  // Silently fail - logging is non-critical\n}\n```\n\nWhile the comment notes that logging is non-critical, completely silent failures make it impossible to diagnose logging system problems — such as filesystem permission issues, disk-full conditions, or misconfigured log directories.\n\n## Fix\n\nAt minimum, write a single `console.error` (or `process.st",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/23",
      "PublishedAt": "2026-02-07T08:17:51.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Validate admin command parameters, not just command names",
      "Excerpt": "## Problem\n\nIn `src/tools/monitoring.ts:210-228`, `runAdminCommand` checks the command name against a whitelist but does not validate the command's parameters:\n\n```typescript\nconst commandName = Object.keys(command)[0]?.toLowerCase();\nif (!commandName || !allowedCommands.includes(commandName)) {\n  // blocked\n}\n// But no validation of command[commandName] contents\n```\n\nWhile the whitelist limits which commands can run, whitelisted commands may still accept dangerous nested parameters that could h",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/22",
      "PublishedAt": "2026-02-07T08:17:47.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Set up CI with GitHub Actions",
      "Excerpt": "## Problem\n\nThere is no CI/CD configuration in the project — no GitHub Actions, no automated testing on PRs, no release pipeline. Combined with the lack of tests, this means regressions can ship silently.\n\n## Recommendation\n\n1. Add a basic GitHub Actions workflow that runs on PRs and pushes to main:\n   - `pnpm install`\n   - `pnpm build` (TypeScript compilation check)\n   - `tsc --noEmit` (type checking)\n   - `pnpm test` (once tests exist)\n   - Lint check (ESLint)\n2. Consider adding a release work",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/21",
      "PublishedAt": "2026-02-07T08:17:44.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Add complexity limits for aggregation pipelines",
      "Excerpt": "## Problem\n\nIn `src/tools/document.ts:97`, the `aggregate` tool accepts arbitrary pipeline arrays with no validation of depth or stage count:\n\n```typescript\nconst result = await db.collection(collection).aggregate(pipeline, options).toArray();\n```\n\nA deeply nested or excessively complex pipeline could exhaust MongoDB server resources (CPU, memory), acting as a potential DoS vector — especially in a context where an AI assistant constructs pipelines.\n\n## Recommendation\n\n1. Cap the maximum number ",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/20",
      "PublishedAt": "2026-02-07T08:17:40.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Add try/finally for aggregation cursor cleanup in data-quality tools",
      "Excerpt": "## Problem\n\nIn `src/tools/data-quality.ts` (~line 1253), aggregation cursors in `findOrphans` and similar functions are not wrapped in try/finally blocks:\n\n```typescript\nconst orphans = await collectionObj.aggregate(pipeline).toArray();\nconst countResult = await collectionObj.aggregate(countPipeline).toArray();\n```\n\nWhile `toArray()` closes the cursor on success, if an error occurs mid-execution (e.g., network timeout), the cursor could leak on the MongoDB server, eventually leading to resource ",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/19",
      "PublishedAt": "2026-02-07T08:17:37.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Fix potential infinite loop in exploreRelationships cycle detection",
      "Excerpt": "## Problem\n\nIn `src/tools/data-quality.ts` (~line 1665), the `exploreDocumentRelationships` function uses a `visited` Set for cycle detection:\n\n```typescript\nconst docKey = \\`\\${rootCollection}:\\${rootDoc._id}\\`;\nif (visited.has(docKey)) {\n  return { document: rootDoc, circular: true };\n}\n```\n\nThe issue is that `rootDoc._id` could be an ObjectId object, and string interpolation may produce inconsistent keys for the same document depending on how it's accessed. This can cause cycle detection to f",
      "SourceUrl": "https://github.com/bluwork/mongo-scout-mcp/issues/18",
      "PublishedAt": "2026-02-07T08:17:34.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    }
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