CVE-2026-53851— OpenClaw < 2026.5.12 - Slack Reaction Event Notification Bypass
Possible ATT&CK Techniques 1AI
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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
II. Public POCs for CVE-2026-53851
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2026-53857 | 8.1 HIGH | OpenClaw < 2026.5.3 - Mutable Display Name Binding in Zalo allowFrom Policy |
| CVE-2026-53864 | 8.1 HIGH | OpenClaw < 2026.5.26 - Insufficient Environment Variable Sanitization in Node.js Control V |
| CVE-2026-53855 | 8.1 HIGH | OpenClaw < 2026.4.2 - Shell Positional Parameters Bypass in Inline-Eval Checks |
| CVE-2026-53849 | 8.1 HIGH | OpenClaw < 2026.5.7 - Privilege Escalation via Mutable Discord Display Names in allowFrom |
| CVE-2026-53866 | 8.1 HIGH | OpenClaw < 2026.5.12 - Allowlist Bypass in Shell Inline-Command Parsing |
| CVE-2026-53858 | 7.1 HIGH | OpenClaw < 2026.5.2 - Arbitrary Runtime Dependency Loading via STATE_DIRECTORY Environment |
| 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-2026-53846 | 7.1 HIGH | OpenClaw < 2026.4.29 - Arbitrary Package Manager Execution via Workspace .env npm_execpath |
| CVE-2026-53842 | 7.1 HIGH | OpenClaw < 2026.5.2 - Arbitrary Python Runtime Execution via CLOUDSDK_PYTHON Environment V |
| 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-2026-53844 | 6.5 MEDIUM | OpenClaw < 2026.4.29 - Session Visibility Check Bypass in Shared Memory Search |
| CVE-2026-53859 | 6.5 MEDIUM | OpenClaw < 2026.5.26 - Hostname Validation Bypass via Trailing-Dot Inconsistency |
| 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 → →
IV. Related Vulnerabilities
Same product: OpenClaw
- CVE-2026-62228
OpenClaw < 2026.6.5 Authorization Bypass via Node Exec Appro - CVE-2026-62229
OpenClaw < 2026.5.18 Authorization Bypass via Glob Matching - CVE-2026-62227
OpenClaw 2026.4.14 < 2026.5.26 SSRF via Browser Snapshot - CVE-2026-62226
OpenClaw 2026.3.28 < 2026.5.19 Authorization Bypass via Brow - CVE-2026-62225
OpenClaw < 2026.5.18 Authorization Bypass via Skill Command
Same vendor: OpenClaw
- CVE-2026-62229
OpenClaw < 2026.5.18 Authorization Bypass via Glob Matching - CVE-2026-62228
OpenClaw < 2026.6.5 Authorization Bypass via Node Exec Appro - CVE-2026-62227
OpenClaw 2026.4.14 < 2026.5.26 SSRF via Browser Snapshot - CVE-2026-62225
OpenClaw < 2026.5.18 Authorization Bypass via Skill Command - CVE-2026-62226
OpenClaw 2026.3.28 < 2026.5.19 Authorization Bypass via Brow
Same weakness: CWE-862
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Kirki <= 6.1.1 - Missing Authorization to Authenticated (Sub - CVE-2026-17087
WP Travel Engine <= 6.8.4 - Missing Authorization to Unauthe - CVE-2026-15345
ShortPixel Adaptive Images <= 3.11.5 - Missing Authorization - CVE-2026-18316
Solace Extra <= 1.6.0 - Missing Authorization to Unauthentic - CVE-2026-16779
Kubio AI Page Builder <= 2.8.5 - Missing Authorization to Au
V. Comments for CVE-2026-53851
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