Vulnerability · Published May 6, 2026 · Assigned by VulnCheck
CVE-2026-44118OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header
High 7.8
In plain English
A high-severity authentication bypass by spoofing in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.4.22 | GHSA-r6xh-pqhr-v4xh |
Affected products (as reported)
Weakness: CWE-290 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-r6xh-pqhr-v4xh) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header third-party-advisory