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CVE-2026-4039

MEDIUM CVSS 4.0: 5.3 EPSS 0.10%
Updated Mar 16, 2026
Openclaw
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 2026.2.21
Fixed In 2026.2.21
Type CWE-94 (Code Injection), CWE-74 (Injection)
Vendor Openclaw
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Openclaw Openclaw
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
2026.2.21