Fix lodash-es prototype pollution vulnerability#1775
Merged
pmckinney-codat merged 1 commit intomainfrom Feb 25, 2026
Merged
Conversation
Add npm override to force all nested lodash-es copies to 4.17.23, resolving the prototype pollution vulnerability (GHSA-xxjr-mmjv-4gpg) in transitive dependencies from chevrotain packages. Reduces total vulnerability count from 69 to 61. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
|
The latest updates on your projects. Learn more about Vercel for GitHub.
|
|
Link check results for preview deployment (https://codat-docs-git-fix-lodash-es-override-codat.vercel.app): |
pzaichkina
approved these changes
Feb 25, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Summary
overridesinpackage.jsonto force all nestedlodash-escopies to 4.17.23@chevrotain/cst-dts-gen,@chevrotain/gast, andchevrotainDetails
The
lodash-espackages nested inside chevrotain (used by mermaid/langium) were pinned at 4.17.21, which is vulnerable to prototype pollution via_.unsetand_.omit. The npm override forces all copies to resolve to 4.17.23 which includes the fix.Remaining unfixable vulnerabilities (no upstream fix available)
lodash≥4.17.10@isaacs/brace-expansionaxios≥1.6.5@sentry/browser<7.119.1undici≥7.12.0Test plan
npm installsucceeds without errorsnpm auditshows reduced vulnerability countnpm run build🤖 Generated with Claude Code