Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-42427— OpenClaw < 2026.4.8 - Remote Code Execution via Build Tool Environment Variable Injection

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 2026.4.8之前版本存在安全漏洞，该漏洞源于缺少HGRCPATH、CARGO_BUILD_RUSTC_WRAPPER、RUSTC_WRAPPER和MAKEFLAGS的环境变量黑名单条目，可能导致攻击者注入恶意构建工具环境变量影响主机执行命令并实现任意代码执行。

CVSS 5.3 · Medium EPSS 0.26% · P16

Affected Version Matrix 2

VendorProduct Version RangeStatus
OpenClaw OpenClaw < 2026.4.8 affected
2026.4.8 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-42427

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
OpenClaw < 2026.4.8 - Remote Code Execution via Build Tool Environment Variable Injection
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw before 2026.4.8 contains a remote code execution vulnerability caused by missing environment variable denylist entries for HGRCPATH, CARGO_BUILD_RUSTC_WRAPPER, RUSTC_WRAPPER, and MAKEFLAGS. Attackers can inject malicious build tool environment variables to influence host exec commands and achieve arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
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 2026.4.8之前版本存在安全漏洞，该漏洞源于缺少HGRCPATH、CARGO_BUILD_RUSTC_WRAPPER、RUSTC_WRAPPER和MAKEFLAGS的环境变量黑名单条目，可能导致攻击者注入恶意构建工具环境变量影响主机执行命令并实现任意代码执行。
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 ~ 2026.4.8 -

II. Public POCs for CVE-2026-42427

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-42427

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-42427 (1)

Vendor Advisories for CVE-2026-42427 (2)

Same Patch Batch · OpenClaw · 2026-04-28 · 53 CVEs total

CVE-2026-41386 9.1 CRITICAL OpenClaw < 2026.3.22 - Privilege Escalation via Unbound Bootstrap Setup Codes
CVE-2026-41404 8.8 HIGH OpenClaw < 2026.3.31 - Operator Admin Privilege Escalation via Trusted-Proxy Authenticatio
CVE-2026-41378 8.8 HIGH OpenClaw < 2026.3.31 - Privilege Escalation to Remote Code Execution via Unrestricted node
CVE-2026-42426 8.8 HIGH OpenClaw < 2026.4.8 - Improper Authorization in node.pair.approve via operator.write Scope
CVE-2026-42422 8.8 HIGH OpenClaw < 2026.4.8 - Role Bypass in device.token.rotate Function
CVE-2026-41914 8.5 HIGH OpenClaw < 2026.4.8 - Server-Side Request Forgery in QQ Bot Media Fetch Paths
CVE-2026-41394 8.2 HIGH OpenClaw < 2026.3.31 - Unauthorized Operator Scope Access in Unauthenticated Plugin-Auth R
CVE-2026-41383 8.1 HIGH OpenClaw < 2026.4.2 - Arbitrary Remote Directory Deletion via Mis-scoped Mirror Mode Paths
CVE-2026-42431 8.1 HIGH OpenClaw < 2026.4.8 - Persistent Profile Mutation via node.invoke(browser.proxy) Bypass
CVE-2026-41384 7.8 HIGH OpenClaw < 2026.3.24 - Environment Variable Injection via Workspace Config in CLI Backend
CVE-2026-41396 7.8 HIGH OpenClaw < 2026.3.31 - Environment Variable Override of Plugin Trust Root
CVE-2026-41387 7.8 HIGH OpenClaw < 2026.3.22 - Supply Chain Redirection via Incomplete Host Environment Sanitizati
CVE-2026-42432 7.8 HIGH OpenClaw < 2026.4.8 - Command Escalation via Node Pairing Reconnect Bypass
CVE-2026-41912 7.6 HIGH OpenClaw < 2026.4.8 - Server-Side Request Forgery Policy Bypass via Interaction-Triggered
CVE-2026-41399 7.5 HIGH OpenClaw < 2026.3.28 - Denial of Service via Unbounded Pre-auth WebSocket Upgrades
CVE-2026-41405 7.5 HIGH OpenClaw < 2026.3.31 - Resource Exhaustion via Unauthenticated MS Teams Webhook Body Parsi
CVE-2026-42423 7.5 HIGH OpenClaw < 2026.4.8 - strictInlineEval Approval Boundary Bypass via Approval-Timeout Fallb
CVE-2026-41395 7.5 HIGH OpenClaw < 2026.3.28 - Webhook Replay via Query Parameter Reordering in Plivo V3
CVE-2026-41380 7.3 HIGH OpenClaw < 2026.3.28 - Arbitrary Execution Allowlist via Wrapper Carrier Executables
CVE-2026-41390 7.3 HIGH OpenClaw < 2026.3.28 - Exec Allowlist Bypass via Unregistered /usr/bin/script Wrapper

Showing top 20 of 53 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-184

V. Comments for CVE-2026-42427

No comments yet

Leave a comment