What is CVE-2026-44118?

CVE-2026-44118 is a high-severity vulnerability in Openclaw, classified under Authentication Bypass by Spoofing. CVSS score: 7.8/10. Published 2026-05-06.

How severe is CVE-2026-44118?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Openclaw

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 sen…

EPSS: 0.000 (1.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.4.22

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

Patch Commit (Patch, patch)
GitHub Security Advisory (GHSA-r6xh-pqhr-v4xh) (vendor-advisory, Mitigation, Vendor Advisory)
VulnCheck Advisory: OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-44118?: CVE-2026-44118 is a high-severity vulnerability in Openclaw, classified under Authentication Bypass by Spoofing. CVSS score: 7.8/10. Published 2026-05-06.
How severe is CVE-2026-44118?: High severity. CVSS v3 base score is 7.8 out of 10.