CVE-2026-100573CWE-862broken-access-control

CVE-2026-100573

Low · published September 26, 2026

CVSS v3.1
3.3
EPSS
0%
Percentile
1.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.3 · LOW
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
4.8 · CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00107 · 1.1th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-26T07:17Z
References (2)
https://github.com/openclaw/openclaw/security/advisories/GHSA-5m4g-88rg-69pj · [email protected]https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-sandbox-policy-bypass-via-mcp-loopback · [email protected]
EPSS history
Timeline
  • 27 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 26 SEP 02:19Z
    OpenClaw before 2026.8.1 Sandbox Policy Bypass via MCP Loopback
    cvelistv5