CVE-2026-44995— OpenClaw < 2026.4.20 - Arbitrary Code Execution via MCP stdio Environment Variables
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-44995
Vulnerability Information
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Vulnerability Title
OpenClaw < 2026.4.20 - Arbitrary Code Execution via MCP stdio Environment Variables
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. Malicious workspace configurations can pass dangerous startup variables like NODE_OPTIONS, LD_PRELOAD, or BASH_ENV to spawned MCP server processes, enabling code injection when operators start sessions using those servers.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
从非可信控制范围包含功能例程
Source: NVD (National Vulnerability Database)
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 2026.4.20之前版本存在安全漏洞，该漏洞源于MCP stdio服务器配置中环境变量验证不当，可能导致攻击者通过恶意工作区配置执行任意代码。
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-2026-44995
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Same Patch Batch · OpenClaw · 2026-05-11 · 18 CVEs total
| CVE-2026-45223 | 8.8 HIGH | Crabbox < 0.9.0 Authentication Bypass via Admin Claim Injection |
| CVE-2026-45006 | 8.8 HIGH | OpenClaw < 2026.4.23 - Unsafe Config Mutation via Gateway Tool Denylist Bypass |
| CVE-2026-45004 | 7.8 HIGH | OpenClaw < 2026.4.23 - Arbitrary Code Execution via setup-api.js in Current Working Direct |
| CVE-2026-45001 | 7.1 HIGH | OpenClaw < 2026.4.20 - Gateway Config Mutation Guard Bypass via Agent Tool Access |
| CVE-2026-45224 | 7.1 HIGH | Crabbox < 0.9.0 Path Traversal via Islo Provider Workspace Resolution |
| CVE-2026-45005 | 6.0 MEDIUM | OpenClaw < 2026.4.23 - Webhook Route Secret Cache Not Invalidated After Rotation |
| CVE-2026-44993 | 5.4 MEDIUM | OpenClaw < 2026.4.20 - Direct Message Misclassification in Feishu Card Actions |
| CVE-2026-44998 | 5.4 MEDIUM | OpenClaw < 2026.4.20 - Tool Policy Bypass via Bundled MCP/LSP Tools |
| CVE-2026-45002 | 5.3 MEDIUM | OpenClaw < 2026.4.20 - Hook Session-Key Bypass via Template Mapping |
| CVE-2026-44999 | 5.3 MEDIUM | OpenClaw < 2026.4.20 - Improper Trust Labeling in Isolated Cron Awareness Events |
| CVE-2026-44994 | 5.3 MEDIUM | OpenClaw < 2026.4.22 - Authentication Bypass in Gateway Control UI Bootstrap Config Endpoi |
| CVE-2026-45000 | 5.0 MEDIUM | OpenClaw < 2026.4.20 - Server-Side Request Forgery via Browser CDP Profile Creation |
| CVE-2026-44992 | 5.0 MEDIUM | OpenClaw 2026.4.5 < 2026.4.20 - MiniMax API Host Override via Workspace dotenv |
| CVE-2026-45003 | 5.0 MEDIUM | OpenClaw < 2026.4.22 - Connector Endpoint Host Override via Workspace dotenv Files |
| CVE-2026-44997 | 4.3 MEDIUM | OpenClaw < 2026.4.22 - Security Envelope Constraint Bypass in ACP Child Sessions |
| CVE-2026-44991 | 4.2 MEDIUM | OpenClaw < 2026.4.21 - Authorization Bypass in Owner-Enforced Commands via Wildcard Channe |
| CVE-2026-44996 | 3.7 LOW | OpenClaw < 2026.4.15 - Arbitrary Local File Read via Webchat Audio Embedding |
IV. Related Vulnerabilities
Same product: OpenClaw
- CVE-2026-45006
OpenClaw < 2026.4.23 - Unsafe Config Mutation via Gateway To - CVE-2026-45005
OpenClaw < 2026.4.23 - Webhook Route Secret Cache Not Invali - CVE-2026-45004
OpenClaw < 2026.4.23 - Arbitrary Code Execution via setup-ap - CVE-2026-45003
OpenClaw < 2026.4.22 - Connector Endpoint Host Override via - CVE-2026-45002
OpenClaw < 2026.4.20 - Hook Session-Key Bypass via Template
Same vendor: OpenClaw
- CVE-2026-8634
Crabbox < v0.12.0 Environment Variable Information Disclosur - CVE-2026-8629
Crabbox < v0.12.0 Privilege Escalation via Agent Ticket Endp - CVE-2026-8621
Crabbox < v0.12.0 Authentication Bypass via Header Spoofing - CVE-2026-45224
Crabbox < 0.9.0 Path Traversal via Islo Provider Workspace R - CVE-2026-45223
Crabbox < 0.9.0 Authentication Bypass via Admin Claim Inject
Same weakness: CWE-829
- CVE-2026-7373
Metasploit Pro on Windows: Local Privilege Escalation via Op - CVE-2026-44312
css_parser allows to MITM included https css urls - CVE-2026-45184
Kdenlive 安全漏洞 - CVE-2026-43571
OpenClaw < 2026.4.10 - Untrusted Workspace Plugin Shadow Res - CVE-2026-43569
OpenClaw < 2026.4.9 - Untrusted Provider Plugin Auto-enablem
V. Comments for CVE-2026-44995
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