CVE-2026-42428: OpenClaw < 2026.4.8 - Missing Integrity Verification in Package Downloads

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-28 · updated 2026-06-17
Weakness: CWE-353

Description

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.

Affected products

OpenClaw: before 2026.4.8 — fixed in 2026.4.8

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.8. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5
https://github.com/openclaw/openclaw/security/advisories/GHSA-3vvq-q2qc-7rmp
https://www.vulncheck.com/advisories/openclaw-missing-integrity-verification-in-package-downloads

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