Auth bypass in Openclaw
CVE-2026-28466
OpenClaw versions prior to 2026.2.14 contain a vulnerability in the gateway in which it fails to sanitize internal approval fields in node.invoke parameters, allowing authenticated clients to bypass exec approval gating for system.run commands. Attackers with valid gateway credentials can inject approval control fields to execute arbitrary commands on connected node hosts, potentially compromising developer workstations and CI runners.
Vulnerability class: Broken Access Control
EPSS: 0.004 (34.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Openclaw — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (vendor-advisory, Mitigation, Vendor Advisory)
- disclosure@vulncheck.com (patch, Broken Link)
- disclosure@vulncheck.com (patch, Broken Link)
- disclosure@vulncheck.com (patch, Broken Link)
- disclosure@vulncheck.com (Patch, patch)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-28466?
- CVE-2026-28466 is a critical-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 9.9/10. Published 2026-03-05.
- How severe is CVE-2026-28466?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2026-28466 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.