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CVE-2026-4039— OpenClaw Skill Env applySkillConfigenvOverrides code injection

Quick assessment

Affected
n/a 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 2026.2.19-2版本存在代码注入漏洞，该漏洞源于组件Skill Env Handler的函数applySkillConfigenvOverrides存在代码注入。

CVSS 6.3 · Medium EPSS 0.59% · P46
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I. Basic Information for CVE-2026-4039

Vulnerability Information
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Vulnerability Title
OpenClaw Skill Env applySkillConfigenvOverrides code injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in OpenClaw 2026.2.19-2. This vulnerability affects the function applySkillConfigenvOverrides of the component Skill Env Handler. Executing a manipulation can lead to code injection. It is possible to launch the attack remotely. Upgrading to version 2026.2.21-beta.1 is able to resolve this issue. This patch is called 8c9f35cdb51692b650ddf05b259ccdd75cc9a83c. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenClaw 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是openclaw开源的一个智能人工助理。 OpenClaw 2026.2.19-2版本存在代码注入漏洞，该漏洞源于组件Skill Env Handler的函数applySkillConfigenvOverrides存在代码注入。
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 2026.2.19-2 cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4039

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III. Intelligence Information for CVE-2026-4039

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Patches & Fixes for CVE-2026-4039 (1)

Vendor Advisories for CVE-2026-4039 (3)

Other References for CVE-2026-4039 (2)

Same Patch Batch · n/a · 2026-03-12 · 20 CVEs total

CVE-2026-3977 6.3 MEDIUM projectsend AJAX Endpoints authorization
CVE-2026-4016 5.3 MEDIUM GPAC SVG Parser load_svg.c svgin_process out-of-bounds write
CVE-2026-4015 5.3 MEDIUM GPAC TeXML File load_text.c txtin_process_texml stack-based overflow
CVE-2026-4044 3.8 LOW projectsend Delete import-orphans.php realpath path traversal
CVE-2026-4045 3.7 LOW projectsend Auth.php response discrepancy
CVE-2026-4040 3.3 LOW OpenClaw File Existence tools.exec.safeBins information exposure
CVE-2026-25817 HMS Ewon Flexy和HMS Networks HMS Cosy+ 安全漏洞
CVE-2026-25823 HMS Ewon Flexy和HMS Networks HMS Cosy+ 安全漏洞
CVE-2026-25818 HMS Cosy+和HMS Ewon Flexy 安全漏洞
CVE-2026-25819 HMS Cosy+和HMS Ewon Flexy 安全漏洞
CVE-2025-61154 libredwg 安全漏洞
CVE-2025-70245 D-Link DIR-513 安全漏洞
CVE-2025-70873 SQLite 安全漏洞
CVE-2025-66955 Asseco SEE Live 安全漏洞
CVE-2026-26793 GL-iNet GL-AR300M16 安全漏洞
CVE-2026-26792 GL-iNet GL-AR300M16 安全漏洞
CVE-2026-26794 GL-iNet GL-AR300M16 安全漏洞
CVE-2026-26795 GL-iNet GL-AR300M16 安全漏洞
CVE-2026-26791 GL-iNet GL-AR300M16 安全漏洞

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: n/a
Same weakness: CWE-94

V. Comments for CVE-2026-4039

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