CVE-2026-4039
OpenClaw Skill Env applySkillConfigenvOverrides code injection
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.
INFO
Published Date :
March 12, 2026, 12:15 p.m.
Last Modified :
March 16, 2026, 6:02 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade to version 2026.2.21-beta.1.
- Apply the patch 8c9f35cdb51692b650ddf05b259ccdd75cc9a83c.
- Upgrade the affected component.
Public PoC/Exploit Available at Github
CVE-2026-4039 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4039.
| URL | Resource |
|---|---|
| https://github.com/openclaw/openclaw/ | Product |
| https://github.com/openclaw/openclaw/commit/8c9f35cdb51692b650ddf05b259ccdd75cc9a83c | Patch |
| https://github.com/openclaw/openclaw/releases/tag/v2026.2.21-beta.1 | Release Notes |
| https://github.com/openclaw/openclaw/security/advisories/GHSA-82g8-464f-2mv7 | Mitigation Vendor Advisory |
| https://vuldb.com/?ctiid.350651 | Permissions Required VDB Entry |
| https://vuldb.com/?id.350651 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.769580 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4039 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4039
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4039 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4039 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 16, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* versions up to (excluding) 2026.2.21 Added Reference Type VulDB: https://github.com/openclaw/openclaw/ Types: Product Added Reference Type VulDB: https://github.com/openclaw/openclaw/commit/8c9f35cdb51692b650ddf05b259ccdd75cc9a83c Types: Patch Added Reference Type VulDB: https://github.com/openclaw/openclaw/releases/tag/v2026.2.21-beta.1 Types: Release Notes Added Reference Type VulDB: https://github.com/openclaw/openclaw/security/advisories/GHSA-82g8-464f-2mv7 Types: Mitigation, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.350651 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.350651 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.769580 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Mar. 12, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-94 Added CWE CWE-74 Added Reference https://github.com/openclaw/openclaw/ Added Reference https://github.com/openclaw/openclaw/commit/8c9f35cdb51692b650ddf05b259ccdd75cc9a83c Added Reference https://github.com/openclaw/openclaw/releases/tag/v2026.2.21-beta.1 Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-82g8-464f-2mv7 Added Reference https://vuldb.com/?ctiid.350651 Added Reference https://vuldb.com/?id.350651 Added Reference https://vuldb.com/?submit.769580