[devin-ai-integration]

Summary

Fixes code-scan finding sfind-2c497ed0c7444d23b3be80bd9f9e4508: SNYK-JS-MONGOOSE-1086688, prototype pollution through Schema.path() (CWE-1321, high).

• mongoose 4.2.4 -> 5.13.23 (exact pin), the latest 5.x release; the fix landed in 5.12.2. The lockfile now resolves mongodb 3.7.4 and mquery 3.2.5. No app code changes: mongoose.connect(uri), the callback-style find/findById/save/remove in mongoose-db.js and routes/index.js all still work on 5.x.
• New tests/mongoose-schema-prototype-pollution.test.js (node --test, no new dependencies).

new mongoose.Schema({}).path('__proto__.polluted', String)
// 4.2.4:   no error, and ({}).polluted === String   <- Object.prototype polluted
// 5.13.23: throws "Cannot set special property `__proto__` on a schema"

Verification (Node 22.12, local mongod 7.0, MySQL 5.7 container for the TypeORM side)

	main (4.2.4)	this branch (5.13.23)
node --test tests/mongoose-schema-prototype-pollution.test.js	0/3 pass	3/3 pass
npm start, then GET /	crashes at startup (mongoose-db.js:50 users.length of undefined: the 4.2 driver can't talk to mongod 7)	200
POST /create todo, then it appears on /	n/a	302, todo listed
[REDACTED SECRET] seed + POST /login	n/a	seeded, 302 -> /[REDACTED SECRET]

New startup warnings on 5.x: the driver's useNewUrlParser / useUnifiedTopology deprecation notices. They're harmless and I left them alone to keep this change small.

Notes

• This duplicates fix: upgrade mongoose 4.2.4 -> 5.13.23 (SNYK-JS-MONGOOSE-1086688) #1041 (same Snyk issue, same 5.13.23 target, opened from an earlier finding sfind-5e2c6296). Only one should land. Other open mongoose bumps that overlap: bug: upgrade mongoose to 5.13.15 (SNYK-JS-MONGOOSE-2961688, CVE-2022-2564) #948, Fix SNYK-JS-MONGODB-473855: bump mongoose 4.2.4 -> 5.13.15 (mongodb DoS) #789, Fix SNYK-JS-MQUERY-1089718: bump mongoose 4.2.4 -> 5.13.15 (mquery 1.6.3 -> 3.2.5) #771, Fix SNYK-JS-MQUERY-1050858: upgrade mongoose 4.2.4 -> 5.13.15 (mquery 1.6.3 -> 3.2.5) #751 (5.13.15), and Fix SNYK-JS-MONGOOSE-8623536: upgrade mongoose 4.2.4 -> 6.13.6 #754, Fix SNYK-JS-MONGOOSE-16425765: upgrade mongoose 4.2.4 -> 6.13.9 #969 (6.x).
• SNYK-JS-MONGOOSE-8623536 (CVE-2025-23061) has no 5.x fix and needs 6.13.6+ (Fix SNYK-JS-MONGOOSE-8623536: upgrade mongoose 4.2.4 -> 6.13.6 #754/Fix SNYK-JS-MONGOOSE-16425765: upgrade mongoose 4.2.4 -> 6.13.9 #969). That issue is out of scope here.
• npm test runs snyk test, which needs a Snyk token, so I didn't run it.

Devin-Org: engineering

Link to Devin session: https://devin-gtm.devinenterprise.com/sessions/2f9ad392521446b188e35f9fffc583dc
Open in Devin Desktop: https://devin-gtm.devinenterprise.com/desktop/session/2f9ad392521446b188e35f9fffc583dc?variant=devin

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[devin-ai-integration]

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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	mongoose@​4.2.4 ⏵ 5.13.23
	mongodb@​2.0.46 ⏵ 3.7.4	-1	+16		+48

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Priority	Alert  (click "▶" to expand/collapse)	Action
	Critical CVE: Mongoose search injection vulnerability CVE: GHSA-vg7j-7cwx-8wgw Mongoose search injection vulnerability (CRITICAL) Affected versions: >= 8.0.0-rc0 < 8.9.5; >= 7.0.0-rc0 < 7.8.4; < 6.13.6 Patched version: 6.13.6 From: package-lock.json → npm/mongoose@5.13.23 ℹ Read more on: This package | This alert | What is a critical CVE? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Remove or replace dependencies that include known critical CVEs. Consumers can use dependency overrides or npm audit fix --force to remove vulnerable dependencies. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/mongoose@5.13.23. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.	Warn

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