What is CVE-2026-42431?

CVE-2026-42431 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-04-28.

How severe is CVE-2026-42431?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Openclaw

CVE-2026-42431

OpenClaw before 2026.4.8 contains a security bypass vulnerability in node.invoke(browser.proxy) that allows mutation of persistent browser profiles. Attackers can exploit this path to circumvent the browser.request persistent profile-mutat…

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Openclaw — versions 0, 2026.4.8

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-cmfr-9m2r-xwhq) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.4.8 - Persistent Profile Mutation via node.invoke(browser.proxy) Bypass (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-42431?: CVE-2026-42431 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-04-28.
How severe is CVE-2026-42431?: High severity. CVSS v3 base score is 8.1 out of 10.