CVE-2026-44118CWE-290
OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header
High · published May 6, 2026
What it is
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.
The record
Technical detail
- CVSS v4.0
- 8.5 · HIGH
- Vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- EPSS
- 0.00158 · 4.5th percentile
- Weakness
- CWE-290 · Authentication Bypass by Spoofing
- Published
- 2026-05-06T19:49Z
EPSS history
Timeline