Improper access control in OpenClaw - CVE-2026-28471
Published: May 4, 2026
Vulnerability identifier: #VU129492
CSH Severity: Low
CVSS v4: 5.3 [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]
CVE-ID: CVE-2026-28471
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
OpenClaw
How to mitigate CVE-2026-28471
Install security update from vendor's website.
OpenClaw - update to 2026.2.2