Improper access control in OpenClaw - CVE-2026-28471
Published: May 4, 2026
Vulnerability identifier: #VU129492
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-28471
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to bypass the dm allowlist and reach the routing/agent pipeline.
The vulnerability exists due to improper access control in the Matrix DM allowlist matching logic when processing sender identities. A remote user can use a crafted display name or a matching MXID localpart from another homeserver to bypass the dm allowlist and reach the routing/agent pipeline.
Only deployments with the Matrix plugin installed and enabled are vulnerable.
How to mitigate CVE-2026-28471
Install security update from vendor's website.