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CVE-2026-53831— OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlist

Quick assessment

Affected
OpenClaw OpenClaw
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenClaw是OpenClaw团队开源的一个智能人工助理。 OpenClaw 2026.5.18之前版本存在安全漏洞，该漏洞源于system.run safe-bin allowlist验证中的策略执行问题，可能导致shell扩展修改POSIX节点上的命令解释。经过身份验证的操作者可以利用批准命令中的shell元字符读取意外的节点本地文件，暴露敏感配置数据。

CVSS 8.3 · High EPSS 0.33% · P23

Affected Version Matrix 2

VendorProduct Version RangeStatus
OpenClaw OpenClaw < 2026.5.18 affected
2026.5.18 unaffected
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I. Basic Information for CVE-2026-53831

Vulnerability Information
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Vulnerability Title
OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlist
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw before 2026.5.18 contains a policy enforcement vulnerability in system.run safe-bin allowlist validation that allows shell expansion to modify command interpretation on POSIX nodes. Authenticated operators can exploit shell metacharacters in approved commands to read unintended node-local files and expose sensitive configuration data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
OpenClaw 竞争条件问题漏洞
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之前版本存在安全漏洞，该漏洞源于system.run safe-bin allowlist验证中的策略执行问题，可能导致shell扩展修改POSIX节点上的命令解释。经过身份验证的操作者可以利用批准命令中的shell元字符读取意外的节点本地文件，暴露敏感配置数据。
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

Vendor Product Affected Versions CPE Subscribe
OpenClaw OpenClaw 0 ~ 2026.5.18 -

II. Public POCs for CVE-2026-53831

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III. Intelligence Information for CVE-2026-53831

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Vendor Advisories for CVE-2026-53831 (2)

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

CVE-2026-53838 9.8 CRITICAL OpenClaw < 2026.5.27 - Node Pairing State Mutation via Reconnection
CVE-2026-53822 8.8 HIGH OpenClaw < 2026.5.18 - Command Argument Modification via Shell Wrapper Between Approval an
CVE-2026-53836 8.8 HIGH OpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases
CVE-2026-53821 8.8 HIGH OpenClaw < 2026.5.18 - Scope Elevation in trusted-proxy Control UI WebSocket
CVE-2026-53828 8.8 HIGH OpenClaw < 2026.5.6 - Native Command Authorization Bypass via Owner-Command Enforcement
CVE-2026-53823 8.1 HIGH OpenClaw < 2026.5.3 - Privilege Escalation via Mutable Slack Display Names in allowFrom
CVE-2026-53829 8.0 HIGH OpenClaw < 2026.5.18 - Command Truncation in Exec Approval Display
CVE-2026-53833 7.7 HIGH QQBot for OpenClaw < 2026.4.29 - Authorization Bypass via QQBot Streaming Command
CVE-2026-53832 7.7 HIGH OpenClaw < 2026.5.18 - Identity Header Forgery via Trusted-Proxy Configuration
CVE-2026-53834 7.5 HIGH OpenClaw < 2026.4.27 - Authorization Bypass in QQBot Pre-dispatch Slash Commands
CVE-2026-53820 6.6 MEDIUM OpenClaw < 2026.5.12 - Exec Denylist Bypass in Bundle MCP Loopback Session Spawn
CVE-2026-53827 6.5 MEDIUM OpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.acti
CVE-2026-53825 6.5 MEDIUM OpenClaw < 2026.4.7 - Arbitrary Local File Read via memory-wiki Ingest with operator.write
CVE-2026-53824 6.5 MEDIUM Mattermost plugin for OpenClaw < 2026.4.24 - Slash Token Revocation Lag via Monitor Refres
CVE-2026-53830 6.5 MEDIUM OpenClaw < 2026.4.22 - Webhook Secret Revocation Bypass via secrets.reload
CVE-2026-53839 6.5 MEDIUM OpenClaw < 2026.5.7 - Hostname Prefix Matching Bypass in Trusted Retry Endpoint Validation
CVE-2026-53826 4.3 MEDIUM OpenClaw < 2026.4.26 - Information Disclosure via Sandboxed Session Spawn
CVE-2026-53835 4.3 MEDIUM OpenClaw < 2026.5.6 - Config-Write Enforcement Bypass in Feishu Dynamic-Agent Bindings
CVE-2026-53837 3.7 LOW OpenClaw < 2026.5.6 - Missing Channel Type Validation in Mattermost Event Handlers

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-367

V. Comments for CVE-2026-53831

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