CVE-2026-35525: LiquidJS: Root restriction bypass for partial and layout loading through symlinked templates

April 8, 2026 (updated April 10, 2026)

LiquidJS enforces partial and layout root restrictions using the resolved pathname string, but it does not resolve the canonical filesystem path before opening the file. A symlink placed inside an allowed partials or layouts directory can therefore point to a file outside that directory and still be loaded.

References

github.com/advisories/GHSA-56p5-8mhr-2fph
github.com/harttle/liquidjs
github.com/harttle/liquidjs/pull/867
github.com/harttle/liquidjs/releases/tag/v10.25.3
github.com/harttle/liquidjs/security/advisories/GHSA-56p5-8mhr-2fph
nvd.nist.gov/vuln/detail/CVE-2026-35525

Code Behaviors & Features

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