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CVE-2026-53821— OpenClaw < 2026.5.18 - Scope Elevation in trusted-proxy Control UI WebSocket

CVSS 8.8 · High EPSS 0.28% · P20

Affected Version Matrix 2

VendorProductVersion RangeStatus
OpenClawOpenClaw< 2026.5.18affected
2026.5.18unaffected
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I. Basic Information for CVE-2026-53821

Vulnerability Information
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Vulnerability Title
OpenClaw < 2026.5.18 - Scope Elevation in trusted-proxy Control UI WebSocket
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenClaw before 2026.5.18 accepts WebSocket client-declared operator scopes before binding to server-approved pairing or trusted-proxy authorization baseline. Unpaired or restricted trusted-proxy Control UI clients can obtain cached operator.admin authority on live WebSocket connections to execute admin-gated Gateway RPCs.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenClaw 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是OpenClaw团队开源的一个智能人工助理。 OpenClaw 2026.5.18之前版本存在授权问题漏洞，该漏洞源于在接受绑定到服务器批准的配对或信任代理授权基线之前接受WebSocket客户端声明的操作员范围，可能导致未配对的或受限制的信任代理控制UI客户端在实时WebSocket连接上获取缓存的operator.admin权限，进而执行管理员限定的网关RPC。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
OpenClawOpenClaw 0 ~ 2026.5.18 -

II. Public POCs for CVE-2026-53821

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III. Intelligence Information for CVE-2026-53821

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Vendor Advisories for CVE-2026-53821 (2)

Same Patch Batch · OpenClaw · 2026-06-12 · 20 CVEs total

CVE-2026-538389.8 CRITICALOpenClaw < 2026.5.27 - Node Pairing State Mutation via Reconnection
CVE-2026-538228.8 HIGHOpenClaw < 2026.5.18 - Command Argument Modification via Shell Wrapper Between Approval an
CVE-2026-538368.8 HIGHOpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases
CVE-2026-538288.8 HIGHOpenClaw < 2026.5.6 - Native Command Authorization Bypass via Owner-Command Enforcement
CVE-2026-538318.3 HIGHOpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allo
CVE-2026-538238.1 HIGHOpenClaw < 2026.5.3 - Privilege Escalation via Mutable Slack Display Names in allowFrom
CVE-2026-538298.0 HIGHOpenClaw < 2026.5.18 - Command Truncation in Exec Approval Display
CVE-2026-538337.7 HIGHQQBot for OpenClaw < 2026.4.29 - Authorization Bypass via QQBot Streaming Command
CVE-2026-538327.7 HIGHOpenClaw < 2026.5.18 - Identity Header Forgery via Trusted-Proxy Configuration
CVE-2026-538347.5 HIGHOpenClaw < 2026.4.27 - Authorization Bypass in QQBot Pre-dispatch Slash Commands
CVE-2026-538206.6 MEDIUMOpenClaw < 2026.5.12 - Exec Denylist Bypass in Bundle MCP Loopback Session Spawn
CVE-2026-538306.5 MEDIUMOpenClaw < 2026.4.22 - Webhook Secret Revocation Bypass via secrets.reload
CVE-2026-538276.5 MEDIUMOpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.acti
CVE-2026-538256.5 MEDIUMOpenClaw < 2026.4.7 - Arbitrary Local File Read via memory-wiki Ingest with operator.write
CVE-2026-538246.5 MEDIUMMattermost plugin for OpenClaw < 2026.4.24 - Slash Token Revocation Lag via Monitor Refres
CVE-2026-538396.5 MEDIUMOpenClaw < 2026.5.7 - Hostname Prefix Matching Bypass in Trusted Retry Endpoint Validation
CVE-2026-538264.3 MEDIUMOpenClaw < 2026.4.26 - Information Disclosure via Sandboxed Session Spawn
CVE-2026-538354.3 MEDIUMOpenClaw < 2026.5.6 - Config-Write Enforcement Bypass in Feishu Dynamic-Agent Bindings
CVE-2026-538373.7 LOWOpenClaw < 2026.5.6 - Missing Channel Type Validation in Mattermost Event Handlers

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-862

V. Comments for CVE-2026-53821

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