What is CVE-2026-42436?

CVE-2026-42436 is a high-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 7.7/10. Published 2026-05-05.

How severe is CVE-2026-42436?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Openclaw

CVE-2026-42436

OpenClaw before 2026.4.14 contains an improper access control vulnerability in browser snapshot, screenshot, and tab routes that fail to consistently validate the final browser target after navigation. Authenticated callers can bypass SSRF…

Vulnerability class: Broken Access Control

EPSS: 0.003 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.14

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-42436?: CVE-2026-42436 is a high-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 7.7/10. Published 2026-05-05.
How severe is CVE-2026-42436?: High severity. CVSS v3 base score is 7.7 out of 10.