What is CVE-2026-42422?

CVE-2026-42422 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-04-28.

How severe is CVE-2026-42422?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Openclaw

CVE-2026-42422

OpenClaw before 2026.4.8 contains a role bypass vulnerability in the device.token.rotate function that allows minting tokens for unapproved roles. Attackers can bypass device role-upgrade pairing to preserve or mint roles and scopes that h…

Vulnerability class: Broken Access Control

EPSS: 0.001 (16.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.4.8

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-whf9-3hcx-gq54) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.4.8 - Role Bypass in device.token.rotate Function (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-42422?: CVE-2026-42422 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-04-28.
How severe is CVE-2026-42422?: High severity. CVSS v3 base score is 8.8 out of 10.