High severity · published Mar 12, 2026
CVE-2026-4039
OpenClaw Skill Env applySkillConfigenvOverrides code injection
8.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · Openclaw
2026.2.19-2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4039
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4039
Product
https://github.com/openclaw/openclaw/
Patch
https://github.com/openclaw/openclaw/commit/8c9f35cdb51692b650ddf05b259ccdd75cc9a83c
Release Notes
https://github.com/openclaw/openclaw/releases/tag/v2026.2.21-beta.1
Mitigation
https://github.com/openclaw/openclaw/security/advisories/GHSA-82g8-464f-2mv7
Permissions Required
https://vuldb.com/?ctiid.350651
Third Party Advisory
https://vuldb.com/?id.350651
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