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NVD Vulnerability Details :
CVE-2026-44118
Analyzed
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-06 May, 2026 | 20:16
Updated At-07 May, 2026 | 17:07

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.5HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 8.5
Base severity: HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches
OpenClaw
openclaw
>>openclaw>>Versions before 2026.4.22(exclusive)
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Weaknesses
CWE IDTypeSource
CWE-290Primarydisclosure@vulncheck.com
CWE ID: CWE-290
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/openclaw/openclaw/commit/3cb1a56bfc9579a0f2336f9cfa12a8a744332a19disclosure@vulncheck.com
Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-r6xh-pqhr-v4xhdisclosure@vulncheck.com
Mitigation
Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-owner-context-spoofing-via-bearer-token-headerdisclosure@vulncheck.com
Third Party Advisory
Hyperlink: https://github.com/openclaw/openclaw/commit/3cb1a56bfc9579a0f2336f9cfa12a8a744332a19
Source: disclosure@vulncheck.com
Resource:
Patch
Hyperlink: https://github.com/openclaw/openclaw/security/advisories/GHSA-r6xh-pqhr-v4xh
Source: disclosure@vulncheck.com
Resource:
Mitigation
Vendor Advisory
Hyperlink: https://www.vulncheck.com/advisories/openclaw-owner-context-spoofing-via-bearer-token-header
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory
Change History
0Changes found
Details not found