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Privilege Escalation in OpenClaw Internal/Webchat Command Authentication
CVE-2026-53854 is an authorization bypass and privilege escalation vulnerability in OpenClaw, an open-source WhatsApp gateway CLI with an integrated Pi RPC agent, affecting versions before 2026.4.25. The flaw exists in the command authentication and routing flow for internal and webchat command paths. OpenClaw uses the ownerAllowFrom setting to determine owner-level authorization, and a wildcard value such as '*' can grant owner authorization. In affected versions, this authorization state is retained in shared controller context and is not cleared before evaluating subsequent channels. As a result, a lower-privileged sender on an internal or webchat path can inherit a previously established wildcard owner authorization state across channel boundaries and execute owner-style commands outside the intended channel scope.
What it means and what to do now: patch path, interim mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
Successful exploitation allows unauthorized execution of owner-level commands and bypass of intended channel-scoped access controls. Depending on deployment and enabled functionality, this can permit manipulation of messaging operations, injection of malicious messages, access to or modification of session data, interception of incoming communications, and compromise of gateway integrity. Because OpenClaw includes a Pi RPC agent, the impact may extend to arbitrary command execution on the host or interaction with host-connected peripherals managed through the RPC interface.
If you can’t patch tonight, do this now.
Until the fixed version is deployed, remove or avoid wildcard entries in ownerAllowFrom, keep owner command allowlists explicit per channel, and restrict access to internal and webchat interfaces using network access controls. As additional hardening, keep channel and tool allowlists narrow, avoid sharing a single gateway between mutually untrusted users, disable the affected feature if not needed, and monitor internal/webchat command paths for unexpected owner-style command execution.
Patch, then assume compromise.
Upgrade OpenClaw to version 2026.4.25 or later, which addresses the authorization handling issue. Also review ownerAllowFrom configuration and replace wildcard entries with explicit per-channel allowlists where possible. Follow the authoritative guidance associated with the replacement advisory GHSA-4hpg-mp64-x7xq.
No public exploits tracked yet. Mallory keeps watching.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.