CVE-2026-44118

HIGH 7.8

OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-290
Vendor	openclaw
Product	openclaw
Published	May 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.22

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-r6xh-pqhr-v4xh github.com: https://github.com/openclaw/openclaw/commit/3cb1a56bfc9579a0f2336f9cfa12a8a744332a19 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-owner-context-spoofing-via-bearer-token-header

Credits

🔍 vladimir tokarev (@VladimirEliTokarev)