CVE-2026-44118: OpenClaw — HIGH

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...

Full CISO analysis pending enrichment.

What systems are affected?

Package	Ecosystem	Vulnerable Range	Patched
OpenClaw	pip	—	No patch
3 dependents 36% patched ~4d to patch Full package profile →

Do you use OpenClaw? You're affected.

How severe is it?

CVSS 3.1

7.8 / 10

EPSS

N/A

Exploitation Status

No known exploitation

Sophistication

N/A

What is the attack surface?

AV Local

AC Low

PR Low

UI None

S Unchanged

C High

I High

A High

What should I do?

No patch available

Monitor for updates. Consider compensating controls or temporary mitigations.

Which compliance frameworks are affected?

Compliance analysis pending. Sign in for full compliance mapping when available.

Frequently Asked Questions

What is CVE-2026-44118?

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.

Is CVE-2026-44118 actively exploited?

No confirmed active exploitation of CVE-2026-44118 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-44118?

No patch is currently available. Monitor vendor advisories for updates.

What is the CVSS score for CVE-2026-44118?

CVE-2026-44118 has a CVSS v3.1 base score of 7.8 (HIGH).

What are the technical details?

Original Advisory

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.

Weaknesses (CWE)

CWE-290 Authentication Bypass by Spoofing

CWE-290 — Authentication Bypass by Spoofing: This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Source: MITRE CWE corpus.