Improper access control in OpenClaw - CVE-2026-28469
Published: May 4, 2026
Vulnerability identifier: #VU129464
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28469
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 attacker to cause cross-account policy-context misrouting.
The vulnerability exists due to improper access control in extensions/googlechat/src/monitor.ts when routing inbound Google Chat webhook events on a shared HTTP path. A remote attacker can send a valid webhook request that matches more than one registered target to cause cross-account policy-context misrouting.
Exploitation requires multiple Google Chat webhook targets to be registered on the same path and request verification to succeed for more than one target.
How to mitigate CVE-2026-28469
Install security update from vendor's website.