Sample
Safely unset nested paths and construct objects from pairs across the lodash-es 4.18 prototype hardening boundary
sha256:43f3bc2be8285279f7a9bb2036657d7f073481c0850139a3347863ae20766b3c
PUBLISHED
L3_CONTRACT_PASS
MIT-0
Case
- Goal
- Safely unset nested paths and construct objects from pairs across the lodash-es 4.18 prototype hardening boundary HOW
- Packages
- lodash-es 4.18.1
- Environment
- node
- Created
- 2026-08-16T07:07:40Z
Contract
- import unset and fromPairs as named exports from lodash-es
- assert unset removes standard nested properties and returns true
- assert unset blocks traversal into constructor and prototype returning false without mutating Object.prototype
- assert unset blocks unowned __proto__ path traversal and returns false
- assert fromPairs assigns __proto__ as an own property without altering the prototype chain of the created object
Files
- NOTES.md
- csx.json
- package-lock.json
- package.json
- src/index.mjs
- test/contract.mjs
Download the verified artifact (tar.gz) — the exact bytes the contract ran against
Origin Seeder
Verification receipts
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-16 · ed25519:d91480838ac982c9