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CVE-2026-53806— OpenClaw < 2026.5.12 - Shell Option Parsing Bypass in Exec Revalidation

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开源的一个智能人工助理。 OpenClaw 2026.5.12之前版本存在安全漏洞，该漏洞源于shell选项解析，组合POSIX shell标志可绕过exec重新验证检查。攻击者可通过使用组合shell选项执行内联shell内容，绕过预期的允许列表验证，在受影响功能启用时可能导致未授权命令执行。

CVSS 8.8 · High EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell

Affected Version Matrix 2

VendorProduct Version RangeStatus
OpenClaw OpenClaw < 2026.5.12 affected
2026.5.12 unaffected
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I. Basic Information for CVE-2026-53806

Vulnerability Information
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Vulnerability Title
OpenClaw < 2026.5.12 - Shell Option Parsing Bypass in Exec Revalidation
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw before 2026.5.12 contains a shell option parsing vulnerability that allows combined POSIX shell flags to bypass exec revalidation checks. Attackers can exploit this by using combined shell options to execute inline shell content without intended allowlist validation, potentially enabling unauthorized command execution when the affected feature is enabled.
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:H
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 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw 2026.5.12之前版本存在安全漏洞，该漏洞源于shell选项解析，组合POSIX shell标志可绕过exec重新验证检查。攻击者可通过使用组合shell选项执行内联shell内容，绕过预期的允许列表验证，在受影响功能启用时可能导致未授权命令执行。
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 ~ 2026.5.12 -

II. Public POCs for CVE-2026-53806

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III. Intelligence Information for CVE-2026-53806

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Vendor Advisories for CVE-2026-53806 (2)

Same Patch Batch · OpenClaw · 2026-06-11 · 14 CVEs total

CVE-2026-53807 8.8 HIGH OpenClaw < 2026.5.6 - Authorization Bypass in Telegram Interactive Callbacks via commands.
CVE-2026-53810 8.8 HIGH OpenClaw < 2026.5.18 - Arbitrary Code Execution via Unscanned Marketplace Runtime Extensio
CVE-2026-53811 8.8 HIGH OpenClaw < 2026.5.7 - Privilege Escalation via Mutable Display Names in Matrix allowFrom
CVE-2026-53817 8.8 HIGH OpenClaw < 2026.5.22 - Control UI Locality Spoofing in Device Pairing
CVE-2026-53819 8.8 HIGH OpenClaw < 2026.5.27 - Arbitrary Homebrew Executable Execution via Workspace .env Override
CVE-2026-53814 8.3 HIGH OpenClaw < 2026.5.20 - Privilege Escalation via Hook-Triggered CLI MCP Tool Authority
CVE-2026-53813 7.8 HIGH OpenClaw < 2026.4.25 - Arbitrary Artifact Loading via Fake Package Root Resolution
CVE-2026-53812 7.7 HIGH OpenClaw < 2026.5.18 - Private-Network Navigation Bypass via Browser Act Interactions
CVE-2026-53816 7.2 HIGH OpenClaw < 2026.5.18 - Exec Lifecycle Event Forgery via Paired Node
CVE-2026-53818 6.6 MEDIUM OpenClaw < 2026.4.24 - Owner-Only Tool Policy Bypass via MCP Loopback
CVE-2026-53808 6.5 MEDIUM OpenClaw < 2026.5.6 - Approval Policy Bypass in Skill Workshop Apply Flow
CVE-2026-53815 6.5 MEDIUM OpenClaw < 2026.5.19 - Channel Allowlist Bypass in Message Read Actions
CVE-2026-53809 3.8 LOW OpenClaw < 2026.4.25 - Provider Alias Confusion in Embedded Runner Policy

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-53806

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