Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / npm/openclaw/CVE-2026-31995
Advisory ID gitlab/npm/openclaw/CVE-2026-31995
Aliases CVE-2026-31995
GHSA-fg3m-vhrr-8gj6
Summary OpenClaw has Windows Lobster shell fallback command injection in constrained fallback path On Windows, the Lobster extension previously retried certain spawn failures (`ENOENT`/`EINVAL`) with `shell: true` for wrapper compatibility. In that fallback path, tool-provided arguments could be interpreted by `cmd.exe` if fallback was triggered.
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 (3)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/openclaw/CVE-2026-31995.yml
Reference id Reference type URL
https://github.com/openclaw/openclaw
ba7be018da354ea9f803ed356d20464df0437916 Other https://github.com/openclaw/openclaw/commit/ba7be018da354ea9f803ed356d20464df0437916
CVE-2026-31995 https://nvd.nist.gov/vuln/detail/CVE-2026-31995
GHSA-fg3m-vhrr-8gj6 https://github.com/advisories/GHSA-fg3m-vhrr-8gj6
GHSA-fg3m-vhrr-8gj6 Advisory https://github.com/openclaw/openclaw/security/advisories/GHSA-fg3m-vhrr-8gj6
openclaw-command-injection-via-windows-shell-fallback-in-lobster-extension Advisory https://www.vulncheck.com/advisories/openclaw-command-injection-via-windows-shell-fallback-in-lobster-extension
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/openclaw/CVE-2026-31995.yml
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-19T13:38:02Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/31xxx/CVE-2026-31995.json

Source Advisory: vulnrichment/CVE-2026-31995

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