What is CVE-2026-42428?

CVE-2026-42428 is a high-severity vulnerability in Openclaw, classified under CWE-353. CVSS score: 7.1/10. Published 2026-04-28.

How severe is CVE-2026-42428?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Openclaw

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.

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.4.8

Weakness classification (CWE)

CWE-353

References

GitHub Security Advisory (GHSA-3vvq-q2qc-7rmp) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.4.8 - Missing Integrity Verification in Package Downloads (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-42428?: CVE-2026-42428 is a high-severity vulnerability in Openclaw, classified under CWE-353. CVSS score: 7.1/10. Published 2026-04-28.
How severe is CVE-2026-42428?: High severity. CVSS v3 base score is 7.1 out of 10.