OpenClaw up to 2026.2.22 Guardrails /usr/bin/env incomplete blacklist

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in OpenClaw up to 2026.2.22. Affected by this vulnerability is an unknown functionality of the file /usr/bin/env of the component Guardrails. The manipulation results in incomplete blacklist. This vulnerability was named CVE-2026-31992. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in OpenClaw up to 2026.2.22. Affected is an unknown part of the file /usr/bin/env of the component Guardrails. The manipulation with an unknown input leads to a incomplete blacklist vulnerability. CWE is classifying the issue as CWE-184. The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses. This is going to have an impact on integrity, and availability. CVE summarizes:

OpenClaw versions prior to 2026.2.23 contain an allowlist bypass vulnerability in system.run guardrails that allows authenticated operators to execute unintended commands. When /usr/bin/env is allowlisted, attackers can use env -S to bypass policy analysis and execute shell wrapper payloads at runtime.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-31992 since 03/10/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1562.006.

Upgrading to version 2026.2.23 eliminates this vulnerability. Applying the patch 3f923e831364d83d0f23499ee49961de334cf58b is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0586). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source OpenClaw

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 7.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Incomplete blacklist
CWE: CWE-184 / CWE-183 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenClaw 2026.2.23
Patch: 3f923e831364d83d0f23499ee49961de334cf58b

Timelineinfo

03/10/2026 CVE reserved
03/19/2026 +9 days Advisory disclosed
03/19/2026 +0 days VulDB entry created
03/23/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-48wf-g7cp-gr3m
Status: Confirmed

CVE: CVE-2026-31992 (🔒)
GCVE (CVE): GCVE-0-2026-31992
GCVE (VulDB): GCVE-100-351648
CERT Bund: WID-SEC-2026-0586 - OpenClaw: Mehrere Schwachstellen

Entryinfo

Created: 03/19/2026 07:14
Updated: 03/23/2026 22:51
Changes: 03/19/2026 07:14 (80), 03/22/2026 14:34 (11), 03/23/2026 04:05 (7), 03/23/2026 22:51 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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