OpenClaw up to 2026.3.30 Remote Filesystem Bridge toctou

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in OpenClaw up to 2026.3.30. The affected element is an unknown function of the component Remote Filesystem Bridge. Executing a manipulation can lead to toctou. This vulnerability appears as CVE-2026-41296. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in OpenClaw up to 2026.3.30. This vulnerability affects an unknown functionality of the component Remote Filesystem Bridge. The manipulation with an unknown input leads to a toctou vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenClaw before 2026.3.31 contains a time-of-check-time-of-use race condition in the remote filesystem bridge readFile function that allows sandbox escape. Attackers can exploit the separate path validation and file read operations to bypass sandbox restrictions and read arbitrary files.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-41296 since 04/20/2026. The exploitation appears to be difficult. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 2026.3.31 eliminates this vulnerability. Applying the patch 121870a08583033ed6a0ed73d9ffea32991252bb 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 databases at CNNVD (CNNVD-202604-4187) and CERT Bund (WID-SEC-2026-0948). 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: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
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 2026.3.31
Patch: 121870a08583033ed6a0ed73d9ffea32991252bb

Timelineinfo

04/20/2026 CVE reserved
04/21/2026 +1 days Advisory disclosed
04/21/2026 +0 days VulDB entry created
04/28/2026 +7 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-9p3r-hh9g-5cmg
Status: Confirmed

CVE: CVE-2026-41296 (🔒)
GCVE (CVE): GCVE-0-2026-41296
GCVE (VulDB): GCVE-100-358408
CERT Bund: WID-SEC-2026-0948 - OpenClaw: Mehrere Schwachstellen
CNNVD: CNNVD-202604-4187 - OpenClaw 安全漏洞

Entryinfo

Created: 04/21/2026 07:20
Updated: 04/28/2026 08:17
Changes: 04/21/2026 07:20 (78), 04/22/2026 22:17 (6), 04/28/2026 08:17 (7)
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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