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.

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

Published 2026-03-05 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.007 (50.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003

Affected products

Openclaw — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

Orioning/CVE-2026-28466

References

github.com/openclaw/openclaw/security/advisories/GHSA-gv46-4xfq-jv58 (vendor-advisory, Mitigation, Vendor Advisory)
github.com/openclaw/openclaw/commit/318379cdb8d045da0009b0051bd0e712e5c65e2d (patch, Broken Link)
github.com/openclaw/openclaw/commit/a7af646fdab124a7536998db6bd6ad567d2b06b0 (patch, Broken Link)
github.com/openclaw/openclaw/commit/c1594627421f95b6bc4ad7c606657dc75b5ad0ce (patch, Broken Link)
github.com/openclaw/openclaw/commit/0af76f5f0e93540efbdf054895216c398692afcd (Patch, patch)
www.vulncheck.com/advisories/openclaw-remote-code-execution-via-node-invoke-app… (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.