OpenClaw Skill Env applySkillConfigenvOverrides code injection

published 2026-02-27 8 mo ago modified 2026-06-17 4 mo ago also GHSA-82g8-464f-2mv7 , EUVD-2026-11563

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits: 0; none known

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.

Patch / fix

fixed in 2 links 3

npm openclaw 2026.2.21
n/a OpenClaw 2026.2.21-beta.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 7 mo ago (2026-03-12)

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
CNA	3.1	6.3	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
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C
CNA	4.0	5.3	CVSS:4.0/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
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected packages

ecosystem	package	affected	fixed in
npm	openclaw	<2026.2.21	2026.2.21

Affected products

n/a OpenClaw

Classification

Weakness

CWE-94 Improper Control of Generation of Code
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
CWE-1341 Multiple Releases of Same Resource or Handle
CWE-15 External Control of System or Configuration Setting

References

github.com /openclaw/openclaw/commit/8c9f35cdb51692b650ddf05b259ccdd75cc9a83c
patch, web
github.com /openclaw/openclaw/releases/tag/v2026.2.21-beta.1
patch, release-notes
github.com /openclaw/openclaw/security/advisories/GHSA-82g8-464f-2mv7
related, web, mitigation, vendor-advisory
vuldb.com /?id.350651
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.350651
signature, permissions-required, vdb-entry
vuldb.com /?submit.769580
third-party-advisory, vdb-entry
github.com /openclaw/openclaw/
product
nvd.nist.gov /vuln/detail/CVE-2026-4039
advisory
github.com /openclaw/openclaw
package
github.com /openclaw/openclaw/releases/tag/v2026.2.21
web

Sources

CVE List CVE-2026-4039
GitHub Advisory GHSA-82g8-464f-2mv7
NVD CVE-2026-4039

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary