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OpenClaw: MCP loopback owner context is derived from server-issued bearer tokens — CVE-2026-44118

GitHub · GitHub · CVE-2026-44118

ID
CVE-2026-44118
Date
Updated
Activity
Source
GitHub
Vendor
GitHub
Threat
high
CVSS
8.5
EPSS
0.00012

Summary

## Summary MCP loopback owner context is derived from server-issued bearer tokens. ## Affected Packages / Versions - Package: openclaw (npm) - Affected versions: <= 2026.4.21 - Fixed version: 2026.4.22 ## Impact The loopback MCP path accepted spoofable owner-context metadata from request headers, which could allow a non-owner loopback client to present itself as owner for owner-gated operations. ## Fix The MCP…

Product

npm: openclaw

What to do

General, cautious steps (verify details in the official source):

  • Prioritize patching or mitigation immediately (treat as actively risky).
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Related advisories