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BREW-openclaw-cli-CVE-2026-42428 — OpenClaw B-M3: ClawHub package downloads are not enforced with integrity verification

Affected: Homebrew: openclaw-cli

## Impact

B-M3: ClawHub package downloads are not enforced with integrity verification.

ClawHub downloads could install plugin archives without enforcing archive or per-file integrity metadata.

OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a multi-tenant service boundary.

## Affected Packages / Versions

- Package: `openclaw` (npm) - Affected versions: `<= 2026.4.1` - Patched versions: `2026.4.8`

## Fix

The issue was fixed on `main` and is available in the patched npm version listed above. The verified fixed tree is commit `d7c3210cd6f5fdfdc1beff4c9541673e814354d5`.

## Verification

The fix was re-checked against `main` before publication, including targeted regression tests for the affected security boundary.

## Credits

Thanks @kexinoh of Tencent zhuque Lab (https://github.com/Tencent/AI-Infra-Guard) for reporting.

EUVD-2026-307790

fkie_cve-2026-42428

OpenClaw versions before 2026.4.8 fail to enforce integrity verification on downloaded plugin archives. Attackers can install malicious or tampered plugin packages without detection, compromising the local assistant environment.

GHSA-3vvq-q2qc-7rmp — OpenClaw B-M3: ClawHub package downloads are not enforced with integrity verification

Affected: npm: openclaw