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chore(deps): update dependency lodash-es to v4.18.1 [security]#1522

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renovate/npm-lodash-es-vulnerability
May 7, 2026
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chore(deps): update dependency lodash-es to v4.18.1 [security]#1522
fengmk2 merged 1 commit intomainfrom
renovate/npm-lodash-es-vulnerability

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@renovate renovate Bot commented May 6, 2026

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
lodash-es (source) 4.17.234.18.1 age adoption passing confidence

lodash vulnerable to Prototype Pollution via array path bypass in _.unset and _.omit

CVE-2026-2950 / GHSA-f23m-r3pf-42rh

More information

Details

Impact

Lodash versions 4.17.23 and earlier are vulnerable to prototype pollution in the _.unset and _.omit functions. The fix for CVE-2025-13465 only guards against string key members, so an attacker can bypass the check by passing array-wrapped path segments. This allows deletion of properties from built-in prototypes such as Object.prototype, Number.prototype, and String.prototype.

The issue permits deletion of prototype properties but does not allow overwriting their original behavior.

Patches

This issue is patched in 4.18.0.

Workarounds

None. Upgrade to the patched version.

Severity

  • CVSS Score: 6.5 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


lodash vulnerable to Code Injection via _.template imports key names

CVE-2026-4800 / GHSA-r5fr-rjxr-66jc

More information

Details

Impact

The fix for CVE-2021-23337 added validation for the variable option in _.template but did not apply the same validation to options.imports key names. Both paths flow into the same Function() constructor sink.

When an application passes untrusted input as options.imports key names, an attacker can inject default-parameter expressions that execute arbitrary code at template compilation time.

Additionally, _.template uses assignInWith to merge imports, which enumerates inherited properties via for..in. If Object.prototype has been polluted by any other vector, the polluted keys are copied into the imports object and passed to Function().

Patches

Users should upgrade to version 4.18.0.

The fix applies two changes:

  1. Validate importsKeys against the existing reForbiddenIdentifierChars regex (same check already used for the variable option)
  2. Replace assignInWith with assignWith when merging imports, so only own properties are enumerated
Workarounds

Do not pass untrusted input as key names in options.imports. Only use developer-controlled, static key names.

Severity

  • CVSS Score: 8.1 / 10 (High)
  • Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

lodash/lodash (lodash-es)

v4.18.1

Compare Source

v4.18.0

Compare Source


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renovate Bot commented May 6, 2026

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: pnpm-lock.yaml
Scope: all 6 workspace projects
 ENOENT  ENOENT: no such file or directory, open '/tmp/renovate/repos/github/voidzero-dev/vite-plus/vite/patches/sirv@3.0.2.patch'

pnpm: ENOENT: no such file or directory, open '/tmp/renovate/repos/github/voidzero-dev/vite-plus/vite/patches/sirv@3.0.2.patch'
    at async open (node:internal/fs/promises:639:25)
    at async Object.readFile (node:internal/fs/promises:1243:14)
    at async readNormalizedFile (/opt/containerbase/tools/pnpm/10.33.2/22.18.0/node_modules/pnpm/dist/pnpm.cjs:51185:23)
    at async createHexHashFromFile (/opt/containerbase/tools/pnpm/10.33.2/22.18.0/node_modules/pnpm/dist/pnpm.cjs:51182:28)
    at async /opt/containerbase/tools/pnpm/10.33.2/22.18.0/node_modules/pnpm/dist/pnpm.cjs:140925:17
    at async /opt/containerbase/tools/pnpm/10.33.2/22.18.0/node_modules/pnpm/dist/pnpm.cjs:140902:24
    at async Promise.all (index 0)
    at async pMapValue (/opt/containerbase/tools/pnpm/10.33.2/22.18.0/node_modules/pnpm/dist/pnpm.cjs:140901:7)
    at async _install (/opt/containerbase/tools/pnpm/10.33.2/22.18.0/node_modules/pnpm/dist/pnpm.cjs:163490:134)
    at async mutateModules (/opt/containerbase/tools/pnpm/10.33.2/22.18.0/node_modules/pnpm/dist/pnpm.cjs:163438:23)

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netlify Bot commented May 6, 2026

Deploy Preview for viteplus-preview canceled.

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🔨 Latest commit 5d51b2f
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@renovate renovate Bot force-pushed the renovate/npm-lodash-es-vulnerability branch 2 times, most recently from a98e7ba to d65adbd Compare May 6, 2026 08:34
@renovate renovate Bot force-pushed the renovate/npm-lodash-es-vulnerability branch from d65adbd to 5d51b2f Compare May 7, 2026 00:59
@fengmk2 fengmk2 merged commit e916769 into main May 7, 2026
38 of 39 checks passed
@fengmk2 fengmk2 deleted the renovate/npm-lodash-es-vulnerability branch May 7, 2026 01:16
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