## fix(security): remove vulnerable lodash 4.17.23 (code injection + prototype pollution) Resolves [Dependabot Alert #824](https://github.com/twentyhq/twenty/security/dependabot/824) and [#823](https://github.com/twentyhq/twenty/security/dependabot/823). ### What `lodash` `<= 4.17.23` is affected by: - **Code injection via `_.template`** ([#824](https://github.com/twentyhq/twenty/security/dependabot/824), High) - **Prototype pollution via `_.unset`/`_.omit`** ([#823](https://github.com/twentyhq/twenty/security/dependabot/823), Medium) Both are patched in `4.18.0`. The repo already resolved lodash to `4.18.1` everywhere **except** one copy held at `4.17.23` by `@stoplight/spectral-functions@1.10.1`, whose `~4.17.21` range capped lodash below `4.18.0`. ### How Instead of a standing `resolutions` override, this bumps the parent that imposed the cap: **`@stoplight/spectral-functions` 1.10.1 → 1.10.3** (pulled transitively via `@asyncapi/parser` ← `@mintlify/common`, accepted through `^1.7.2`). 1.10.3 widened its lodash dependency to `^4.18.1`, so the capped bucket collapses into the existing `4.18.1` resolution and the vulnerable copy is removed — leaving the dependency graph honest with no lingering override. ### Also Refreshes `@types/lodash` to the latest **4.17.24**: bumps the `twenty-client-sdk` pin `^4.17.15 → ^4.17.24` and dedupes the stale transitive `*` bucket (4.17.15) into a single `4.17.24` resolution. Type-stub only. ### Verification - The only real `lodash` resolution is now `4.18.1` (remaining `4.17.x` entries are `@types/lodash` type stubs, not the library); `@types/lodash` resolves to a single `4.17.24` bucket. - Lockfile-only dependency change; `yarn install --immutable` passes; `twenty-client-sdk` typecheck passes.
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Why Twenty
Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack.
Learn more about why we built Twenty
Installation
Cloud
The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date.
Build an app
Scaffold a new app with the Twenty CLI:
npx create-twenty-app my-app
Define objects, fields, and views as code:
import { defineObject, FieldType } from 'twenty-sdk/define';
export default defineObject({
nameSingular: 'deal',
namePlural: 'deals',
labelSingular: 'Deal',
labelPlural: 'Deals',
fields: [
{ name: 'name', label: 'Name', type: FieldType.TEXT },
{ name: 'amount', label: 'Amount', type: FieldType.CURRENCY },
{ name: 'closeDate', label: 'Close Date', type: FieldType.DATE_TIME },
],
});
Then ship it to your workspace:
npx twenty app:publish --private
See the app development guide for objects, views, agents, and logic functions.
Self-hosting
Run Twenty on your own infrastructure with Docker Compose, or contribute locally via the local setup guide.
Everything you need
Twenty gives you the building blocks of a modern CRM (objects, views, workflows, and agents) and lets you extend them as code. Here's a tour of what's in the box.
Want to go deeper? Read the User Guide for product walkthroughs, or the
Documentation for developer reference.
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Stack
TypeScript
Nx
NestJS, with BullMQ,
PostgreSQL,
Redis
React, with Jotai, Linaria and Lingui
Thanks
Thanks to these amazing services that we use and recommend for code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
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