OpenClaw up to 2026.4.21 Fileystem Operation toctou

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenClaw up to 2026.4.21. Affected by this vulnerability is an unknown functionality of the component Fileystem Operation Handler. The manipulation leads to toctou. This vulnerability is uniquely identified as CVE-2026-44113. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OpenClaw up to 2026.4.21. This issue affects an unknown code of the component Fileystem Operation Handler. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality. The summary by CVE is:

OpenClaw before 2026.4.22 contains a time-of-check/time-of-use race condition in the OpenShell filesystem bridge that allows attackers to read files outside the intended mount root. Attackers can exploit symlink swaps during filesystem operations to bypass sandbox restrictions and access unauthorized file contents.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-44113 since 05/05/2026. The exploitation is known to be difficult. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 2026.4.22 eliminates this vulnerability. Applying the patch 95119017c847c737bd113f0bff728c4666d79c45 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-2026-1253). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.3
NVD Vector: 🔒

CNA Base Score: 7.7
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
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 2026.4.22
Patch: 95119017c847c737bd113f0bff728c4666d79c45

Timelineinfo

05/05/2026 CVE reserved
05/07/2026 +2 days Advisory disclosed
05/07/2026 +0 days VulDB entry created
05/17/2026 +10 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-5h3g-6xhh-rg6p
Status: Confirmed

CVE: CVE-2026-44113 (🔒)
GCVE (CVE): GCVE-0-2026-44113
GCVE (VulDB): GCVE-100-361757
CERT Bund: WID-SEC-2026-1253 - OpenClaw: Mehrere Schwachstellen

Entryinfo

Created: 05/07/2026 07:24
Updated: 05/17/2026 16:59
Changes: 05/07/2026 07:24 (78), 05/07/2026 09:35 (7), 05/17/2026 16:59 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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