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CVE-2026-53851— OpenClaw < 2026.5.12 - Slack Reaction Event Notification Bypass

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 2026.5.12之前版本存在授权问题漏洞,该漏洞源于通知绕过,可能导致攻击者触发非预期的处理,未授权处理低信任输入。

CVSS 5.3 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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-2026-53851

Vulnerability Information

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Vulnerability Title
OpenClaw < 2026.5.12 - Slack Reaction Event Notification Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw before 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter the agent pipeline despite disabled reaction notifications. Attackers can trigger unintended agent processing by sending reaction events when the feature is enabled, potentially leading to unauthorized processing of lower-trust input.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
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 2026.5.12之前版本存在授权问题漏洞,该漏洞源于通知绕过,可能导致攻击者触发非预期的处理,未授权处理低信任输入。
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-2026-53851

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III. Intelligence Information for CVE-2026-53851

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Vendor Advisories for CVE-2026-53851 (2)

Same Patch Batch · OpenClaw · 2026-06-16 · 27 CVEs total

CVE-2026-53843 8.8 HIGH OpenClaw < 2026.5.26 - Node Token Revocation Bypass via Pairing-Scoped Device Session
CVE-2026-53853 8.3 HIGH OpenClaw < 2026.5.12 - Argument Pattern Bypass in Exec Allowlist via Linux and macOS
CVE-2026-53866 8.1 HIGH OpenClaw < 2026.5.12 - Allowlist Bypass in Shell Inline-Command Parsing
CVE-2026-53864 8.1 HIGH OpenClaw < 2026.5.26 - Insufficient Environment Variable Sanitization in Node.js Control V
CVE-2026-53849 8.1 HIGH OpenClaw < 2026.5.7 - Privilege Escalation via Mutable Discord Display Names in allowFrom
CVE-2026-53857 8.1 HIGH OpenClaw < 2026.5.3 - Mutable Display Name Binding in Zalo allowFrom Policy
CVE-2026-53855 8.1 HIGH OpenClaw < 2026.4.2 - Shell Positional Parameters Bypass in Inline-Eval Checks
CVE-2026-53865 7.1 HIGH OpenClaw < 2026.5.2 - Arbitrary Command Execution via Workspace-Derived Service PATH
CVE-2026-53840 7.1 HIGH OpenClaw < 2026.5.12 - Custom Header Leakage via MCP Streamable HTTP Cross-Origin Redirect
CVE-2026-53842 7.1 HIGH OpenClaw < 2026.5.2 - Arbitrary Python Runtime Execution via CLOUDSDK_PYTHON Environment V
CVE-2026-53846 7.1 HIGH OpenClaw < 2026.4.29 - Arbitrary Package Manager Execution via Workspace .env npm_execpath
CVE-2026-53858 7.1 HIGH OpenClaw < 2026.5.2 - Arbitrary Runtime Dependency Loading via STATE_DIRECTORY Environment
CVE-2026-53863 7.1 HIGH OpenClaw < 2026.4.25 - Unvalidated Group ID Acceptance in Tool Group Policy
CVE-2026-53861 6.6 MEDIUM OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS
CVE-2026-53854 6.5 MEDIUM OpenClaw < 2026.4.25 - Privilege Escalation via ownerAllowFrom Wildcard Inheritance in Int
CVE-2026-53859 6.5 MEDIUM OpenClaw < 2026.5.26 - Hostname Validation Bypass via Trailing-Dot Inconsistency
CVE-2026-53844 6.5 MEDIUM OpenClaw < 2026.4.29 - Session Visibility Check Bypass in Shared Memory Search
CVE-2026-53841 6.1 MEDIUM OpenClaw < 2026.5.12 - Cross-Site Scripting via Unsafe Markdown Links in Exported Session
CVE-2026-53856 5.5 MEDIUM OpenClaw 2026.4.23 < 2026.4.24 - Insecure File Permissions in Config Recovery via OpenClaw
CVE-2026-53850 5.5 MEDIUM OpenClaw < 2026.4.25 - Control Scope Enforcement Bypass in Focus Command

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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