HIGH 7.1 GitHub

CVE-2026-54545

@wakaru/cli arbitrary file write during bundle unpack

### Impact `@wakaru/cli` is vulnerable to arbitrary file write when unpacking a crafted JavaScript bundle with `--unpack`. Bundle-controlled module filenames were sanitized before writing extracted modules to the output directory. A crafted filename containing overlapping path traversal characters, such as `....//`, could be transformed into `../` after sanitization. This allowed the final output path to escape the intended output directory. An attacker who can cause a user to run `wakaru --u

Affected Products

References

Published: 2026-07-28 · Source: GitHub · Feed updated: 2026-08-04
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-07-28 via GitHub. Affected: npm/@wakaru/cli >= 1.0.0, < 1.4.0.
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