Staging Environment: Content and features may be unstable or change without notice.
Advisory details: vulnrichment / CVE-2026-4039
Advisory ID vulnrichment/CVE-2026-4039
Aliases
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
System Score Found at
cvssv2 6.5
cvssv3 6.3
cvssv3.1 6.3
cvssv4 5.3
ssvc Track
Reference id Reference type URL
https://github.com/openclaw/openclaw/commit/8c9f35cdb51692b650ddf05b259ccdd75cc9a83c
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:* Other https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*
?ctiid.350651 Other https://vuldb.com/?ctiid.350651
GHSA-82g8-464f-2mv7 https://github.com/openclaw/openclaw/security/advisories/GHSA-82g8-464f-2mv7
?id.350651 Advisory https://vuldb.com/?id.350651
openclaw Other https://github.com/openclaw/openclaw/
?submit.769580 Advisory https://vuldb.com/?submit.769580
v2026.2.21-beta.1 Other https://github.com/openclaw/openclaw/releases/tag/v2026.2.21-beta.1
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: 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 Found at None
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
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 Found at None
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: 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 Found at None
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-12T13:10:16Z/ Found at None

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-12T13:10:16Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/4xxx/CVE-2026-4039.json

Source Advisory: vulnrichment/CVE-2026-4039

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]