8.5
HIGH CVSS 4.0
CVE-2026-44118
OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header
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.

INFO

Published Date :

May 6, 2026, 8:16 p.m.

Last Modified :

May 6, 2026, 9:20 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-44118 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Update OpenClaw to version 2026.4.22 or later to fix authorization bypass.
  • Update OpenClaw to version 2026.4.22 or later.
  • Validate sender-owner header handling in loopback clients.
  • Review and enforce access controls for sensitive operations.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-44118 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-44118 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-44118 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 06, 2026

    Action Type Old Value New Value
    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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-290
    Added Reference https://github.com/openclaw/openclaw/commit/3cb1a56bfc9579a0f2336f9cfa12a8a744332a19
    Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-r6xh-pqhr-v4xh
    Added Reference https://www.vulncheck.com/advisories/openclaw-owner-context-spoofing-via-bearer-token-header
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.