What is CVE-2026-43577?

CVE-2026-43577 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-06.

How severe is CVE-2026-43577?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Openclaw

CVE-2026-43577

OpenClaw before 2026.4.9 contains a file read vulnerability allowing attackers to bypass navigation guards through browser act/evaluate interactions. Attackers can pivot into the local CDP origin and create or read disallowed file:// pages…

Vulnerability class: Broken Access Control

EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.9

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Patch Commit (Patch, patch)
GitHub Security Advisory (GHSA-qmwg-qprg-3j38) (vendor-advisory, Mitigation, Vendor Advisory)
VulnCheck Advisory: OpenClaw < 2026.4.9 - Arbitrary File Read via Browser Interaction Routes (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-43577?: CVE-2026-43577 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-06.
How severe is CVE-2026-43577?: Medium severity. CVSS v3 base score is 6.5 out of 10.