Description
OpenClaw before 2026.4.22 derives loopback MCP owner context from spoofable server-issued bearer tokens in request headers. Non-owner loopback clients can present themselves as owner to bypass owner-gated operations by manipulating the sender-owner header metadata.
Published: 2026-05-06
Score: 8.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-r6xh-pqhr-v4xh OpenClaw: MCP loopback owner context is derived from server-issued bearer tokens
History

Thu, 07 May 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 06 May 2026 20:15:00 +0000

Type Values Removed Values Added
Description OpenClaw before 2026.4.22 derives loopback MCP owner context from spoofable server-issued bearer tokens in request headers. Non-owner loopback clients can present themselves as owner to bypass owner-gated operations by manipulating the sender-owner header metadata.
Title OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-290
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-07T17:22:50.507Z

Reserved: 2026-05-05T11:30:46.260Z

Link: CVE-2026-44118

cve-icon Vulnrichment

Updated: 2026-05-07T17:22:28.236Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-06T20:16:35.900

Modified: 2026-05-07T17:07:19.353

Link: CVE-2026-44118

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-07T00:15:05Z

Weaknesses