7.8 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Local (L)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Local (L)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): High (H)
Activity log
- Created suggestion
OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header
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.
References
-
GitHub Security Advisory (GHSA-r6xh-pqhr-v4xh) vendor-advisory
-
Patch Commit patch
Affected products
- <2026.4.22
- ==2026.4.22
Package maintainers
-
@chrisportela Chris Portela <chris@chrisportela.com>
-
@mkg20001 Maciej Krüger <mkg20001+nix@gmail.com>