What is CVE-2026-100573?

CVE-2026-100573 is a low-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 3.3/10. Published 2026-09-26.

How severe is CVE-2026-100573?

Low severity. CVSS v3 base score is 3.3 out of 10.

Auth bypass in Openclaw

CVE-2026-100573

OpenClaw versions before 2026.8.1 contain a sandbox policy bypass vulnerability in the MCP loopback component that allows sandboxed coding-agent sessions to invoke tools explicitly denied by sandbox.tools.deny policy. Attackers can list and invoke denied tools to access data or perform actions the operator intended to exclude from the sandbox.

Vulnerability class: Broken Access Control

Published 2026-09-26.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Openclaw

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/openclaw/openclaw/security/advisories/GHSA-5m4g-88rg-69pj (vendor-advisory)
www.vulncheck.com/advisories/openclaw-before-2026.8.1-sandbox-policy-bypass-via… (third-party-advisory)

Frequently asked questions

What is CVE-2026-100573?: CVE-2026-100573 is a low-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 3.3/10. Published 2026-09-26.
How severe is CVE-2026-100573?: Low severity. CVSS v3 base score is 3.3 out of 10.