fix(ast): update lodash to 4.18.1 to patch CVE-2026-2950 and CVE-2026-4800#466
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fix(ast): update lodash to 4.18.1 to patch CVE-2026-2950 and CVE-2026-4800#466TwitchBronBron wants to merge 1 commit into
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Lodash 4.17.23 is affected by: - CVE-2026-2950: prototype pollution bypass in _.unset/_.omit (bypasses the fix for CVE-2025-13465 via array-wrapped path segments) - CVE-2026-4800: code injection in _.template (CVSS 9.8) when untrusted input is used as options.imports key names Bumps the pinned version from 4.17.23 to ^4.18.1 which contains the patches for both issues. All 26 existing tests continue to pass.
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It seems like the build failure for build-node22 is because of coverage uploading? Any chance we could get that fixed? |
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Summary
The
@xml-tools/astpackage pinslodashat4.17.23, which is affected by two security vulnerabilities patched in4.18.0:_.unset/_.omit— the fix for CVE-2025-13465 only guarded string key members; an attacker can bypass it via array-wrapped path segments, allowing deletion of properties from built-in prototypes (Object.prototype, etc.)_.template— arbitrary code execution when untrusted input is passed asoptions.importskey namesDownstream consumers are currently forced to use
overrides/resolutionsin their ownpackage.jsonto work around these advisories. Fixing it here removes that burden.Change
Changed from an exact pin to a caret range so future patch releases are picked up automatically.
Test plan
npm testinpackages/ast— all 26 tests pass before and after the change4.18.1npm auditno longer reports lodash vulnerabilities after the update