What is CVE-2026-4039?

CVE-2026-4039 is a medium-severity vulnerability in Openclaw, classified under Code Injection. CVSS score: 6.3/10. Published 2026-03-12.

How severe is CVE-2026-4039?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Openclaw

CVE-2026-4039

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…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (30.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C.

Affected products

N/a Openclaw — versions 2026.2.19-2, 2026.2.21-beta.1

Weakness classification (CWE)

References

VDB-350651 | OpenClaw Skill Env applySkillConfigenvOverrides code injection (vdb-entry, technical-description)
VDB-350651 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #769580 | openclaw OpenClaw 2026.2.19-2 Code Injection (third-party-advisory)
github.com/openclaw/openclaw/security/advisories/GHSA-82g8-464f-2mv7 (related)
github.com/openclaw/openclaw/commit/8c9f35cdb51692b650ddf05b259ccdd75cc9a83c (patch)
github.com/openclaw/openclaw/releases/tag/v2026.2.21-beta.1 (patch)
github.com/openclaw/openclaw/ (product)

Frequently asked questions

What is CVE-2026-4039?: CVE-2026-4039 is a medium-severity vulnerability in Openclaw, classified under Code Injection. CVSS score: 6.3/10. Published 2026-03-12.
How severe is CVE-2026-4039?: Medium severity. CVSS v3 base score is 6.3 out of 10.