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chore(deps): bump lodash from 4.17.23 to 4.18.1#5827

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rtibbles merged 1 commit intounstablefrom
dependabot/npm_and_yarn/lodash-4.18.1
Apr 15, 2026
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chore(deps): bump lodash from 4.17.23 to 4.18.1#5827
rtibbles merged 1 commit intounstablefrom
dependabot/npm_and_yarn/lodash-4.18.1

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@dependabot dependabot bot commented on behalf of github Apr 13, 2026

Bumps lodash from 4.17.23 to 4.18.1.

Release notes

Sourced from lodash's releases.

4.18.1

Bugs

Fixes a ReferenceError issue in lodash lodash-es lodash-amd and lodash.template when using the template and fromPairs functions from the modular builds. See lodash/lodash#6167

These defects were related to how lodash distributions are built from the main branch using https://github.com/lodash-archive/lodash-cli. When internal dependencies change inside lodash functions, equivalent updates need to be made to a mapping in the lodash-cli. (hey, it was ahead of its time once upon a time!). We know this, but we missed it in the last release. It's the kind of thing that passes in CI, but fails bc the build is not the same thing you tested.

There is no diff on main for this, but you can see the diffs for each of the npm packages on their respective branches:

4.18.0

v4.18.0

Full Changelog: lodash/lodash@4.17.23...4.18.0

Security

_.unset / _.omit: Fixed prototype pollution via constructor/prototype path traversal (GHSA-f23m-r3pf-42rh, fe8d32e). Previously, array-wrapped path segments and primitive roots could bypass the existing guards, allowing deletion of properties from built-in prototypes. Now constructor and prototype are blocked unconditionally as non-terminal path keys, matching baseSet. Calls that previously returned true and deleted the property now return false and leave the target untouched.

_.template: Fixed code injection via imports keys (GHSA-r5fr-rjxr-66jc, CVE-2026-4800, 879aaa9). Fixes an incomplete patch for CVE-2021-23337. The variable option was validated against reForbiddenIdentifierChars but importsKeys was left unguarded, allowing code injection via the same Function() constructor sink. imports keys containing forbidden identifier characters now throw "Invalid imports option passed into _.template".

Docs

  • Add security notice for _.template in threat model and API docs (#6099)
  • Document lower > upper behavior in _.random (#6115)
  • Fix quotes in _.compact jsdoc (#6090)

lodash.* modular packages

Diff

We have also regenerated and published a select number of the lodash.* modular packages.

These modular packages had fallen out of sync significantly from the minor/patch updates to lodash. Specifically, we have brought the following packages up to parity w/ the latest lodash release because they have had CVEs on them in the past:

Commits
  • cb0b9b9 release(patch): bump main to 4.18.1 (#6177)
  • 75535f5 chore: prune stale advisory refs (#6170)
  • 62e91bc docs: remove n_ Node.js < 6 REPL note from README (#6165)
  • 59be2de release(minor): bump to 4.18.0 (#6161)
  • af63457 fix: broken tests for _.template 879aaa9
  • 1073a76 fix: linting issues
  • 879aaa9 fix: validate imports keys in _.template
  • fe8d32e fix: block prototype pollution in baseUnset via constructor/prototype traversal
  • 18ba0a3 refactor(fromPairs): use baseAssignValue for consistent assignment (#6153)
  • b819080 ci: add dist sync validation workflow (#6137)
  • Additional commits viewable in compare view

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Bumps [lodash](https://github.com/lodash/lodash) from 4.17.23 to 4.18.1.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.23...4.18.1)

---
updated-dependencies:
- dependency-name: lodash
  dependency-version: 4.18.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Apr 13, 2026
@rtibbles rtibbles requested a review from rtibblesbot April 15, 2026 01:43
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Straightforward security patch — safe to merge.

CI passing. No UI files changed (Phase 3 skipped).

Dependency Update Review

Package: lodash 4.17.23 → 4.18.1
Semver risk: Minor (patch-level security and bug fixes via 4.18.0 and 4.18.1)
Dependency type: Production
CI status: All checks passing

Changelog Analysis

Sources consulted:

Breaking changes: None.

Security fixes:

  • GHSA-f23m-r3pf-42rh: Prototype pollution via constructor/prototype path traversal in _.unset / _.omit. Previously, array-wrapped path segments could bypass guards and delete properties from built-in prototypes. Now constructor and prototype are blocked unconditionally as non-terminal path keys. This project uses lodash/omit in three production files (shared/client.js, shared/data/changes.js, shared/vuex/indexedDBPlugin/index.js) — this fix is directly relevant.
  • GHSA-r5fr-rjxr-66jc / CVE-2026-4800: Code injection via imports keys in _.template. Incomplete fix for CVE-2021-23337importsKeys was left unguarded. Project does not use lodash/template, so this is a defence-in-depth fix here.

Bug fixes (4.18.1): ReferenceError in template and fromPairs from modular builds due to lodash-cli mapping issue; no API change.

Other notable changes: Docs updates, regenerated modular packages for packages with prior CVEs.

Compatibility Assessment

  • Project uses _.omit (affected by GHSA-f23m-r3pf-42rh): yes — fix is beneficial
  • Project uses _.template: no
  • Peer dependency changes: none
  • Code changes required: none — security patches only, no API changes
  • Prior failed attempts: no maintainer comments flagging concerns

Recommendation

APPROVE — minor bump with no breaking changes, two security fixes (one directly relevant to production code in this project), and CI fully passing.


@rtibblesbot's comments are generated by an LLM, and should be evaluated accordingly

How was this generated?

Reviewed the pull request diff checking for:

  • Correctness: bugs, edge cases, undocumented behavior, resource leaks, hardcoded values
  • Design: unnecessary complexity, naming, readability, comment accuracy, redundant state
  • Architecture: duplicated concerns, minimal interfaces, composition over inheritance
  • Testing: behavior-based assertions, mocks only at hard boundaries, accurate coverage
  • Completeness: missing dependencies, unupdated usages, i18n, accessibility, security
  • Principles: DRY (same reason to change), SRP, Rule of Three (no premature abstraction)
  • Checked CI status and linked issue acceptance criteria
  • For UI changes: inspected screenshots for layout, visual completeness, and consistency

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No concerns from changelog.

@rtibbles rtibbles merged commit bed1c82 into unstable Apr 15, 2026
32 checks passed
@dependabot dependabot bot deleted the dependabot/npm_and_yarn/lodash-4.18.1 branch April 15, 2026 02:09
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