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CVE-2026-53821

HIGH

OpenClaw: Trusted-proxy Control UI WebSocket accepted client-declared scopes before pairing

Published July 2, 2026Updated July 8, 2026Source: osv

Summary

### Summary In trusted-proxy Control UI mode, OpenClaw accepted a WebSocket client's declared operator scopes before those scopes were bound to a server-approved pairing or trusted-proxy authorization baseline. This issue affects trusted-proxy Control UI deployments. It does not apply to shared-secret Control UI sessions, which are treated as trusted operator sessions by design. ### Affected configurations This affects deployments using `gateway.auth.mode: "trusted-proxy"` for Control UI access where a restricted trusted-proxy user could open a Control UI WebSocket and present a fresh, unpaired device identity with elevated requested scopes. ### Impact An unpaired or restricted trusted-proxy Control UI client could obtain cached `operator.admin` authority on its live WebSocket connection. That authority could then be used for admin-gated Gateway RPCs until the connection was closed or revalidated. ### Patched Versions The first stable patched version is `2026.5.18`. ### Mitigations Upgrade to `openclaw@2026.5.18` or later. Before upgrading, restrict trusted-proxy Control UI access to users who should have the scopes they can request, and restart the gateway after changing trusted-proxy authorization policy.

Remediation

Upgrade to the fixed version using your package manager.

npm
Update openclaw to 2026.5.18 or later
npm install openclaw@2026.5.18

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

PackageEcosystemAffectedFixed In
openclaw
npm
All versions2026.5.18

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-862
    Missing AuthorizationMITRE
  • CWE-863
    Incorrect AuthorizationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Frequently Asked Questions

What is CVE-2026-53821?
OpenClaw: Trusted-proxy Control UI WebSocket accepted client-declared scopes before pairing This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2026-53821?
CVE-2026-53821 affects openclaw. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-53821 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-qjpc-qf9m-xwmr

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