What is CVE-2026-41403?

CVE-2026-41403 is a low-severity vulnerability in Openclaw, classified under CWE-807. CVSS score: 2.9/10. Published 2026-04-28.

How severe is CVE-2026-41403?

Low severity. CVSS v3 base score is 2.9 out of 10.

Vulnerability in Openclaw

CVE-2026-41403

OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests…

EPSS: 0.001 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.3.31

Weakness classification (CWE)

CWE-807

References

GitHub Security Advisory (GHSA-3xv9-89fm-7h4r) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.3.31 - Access Control Bypass via Proxied Remote Request Misclassification (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41403?: CVE-2026-41403 is a low-severity vulnerability in Openclaw, classified under CWE-807. CVSS score: 2.9/10. Published 2026-04-28.
How severe is CVE-2026-41403?: Low severity. CVSS v3 base score is 2.9 out of 10.