GHSA-3p34-w4f6-5xh2: better-helperjs Vulnerable to Directory Traversal via String Prefix Bypass in Static Server

June 26, 2026

A directory traversal vulnerability exists in the production static file server of better-helperjs (<= 3.0.5). Attackers can read arbitrary files located in adjacent directory structures that share the same string prefix as the intended static root directory.

References

github.com/Rigby-Foundation/BetterHelperjs/security/advisories/GHSA-3p34-w4f6-5xh2
github.com/advisories/GHSA-3p34-w4f6-5xh2

Code Behaviors & Features

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