OpenClaw up to 2026.3.30 Webhook Replay Cache Deduplication name resolution

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in OpenClaw up to 2026.3.30. Affected is an unknown function of the component Webhook Replay Cache Deduplication. Executing a manipulation can lead to name resolution. This vulnerability is registered as CVE-2026-41402. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenClaw up to 2026.3.30 and classified as problematic. This vulnerability affects some unknown functionality of the component Webhook Replay Cache Deduplication. The manipulation with an unknown input leads to a name resolution vulnerability. The CWE definition for the vulnerability is CWE-706. The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenClaw before 2026.3.31 contains a scope bypass vulnerability in webhook replay cache deduplication that allows authenticated attackers to replay messages across sibling targets using the same messageId. Attackers can exploit overly broad cache keying to bypass replay protection and deliver duplicate webhook messages to unintended targets.

The weakness was published by KeenSecurityLab as GHSA-hhq4-97c2-p447. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-41402 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 4d038bb242c11f39e45f6a4bde400e5fd42e4ebf 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.

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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: 4.6
VulDB Meta Temp Score: 4.5

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

CNA Base Score: 4.2
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Name resolution
CWE: CWE-706
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: 4d038bb242c11f39e45f6a4bde400e5fd42e4ebf

Timelineinfo

04/20/2026 CVE reserved
04/28/2026 +8 days Advisory disclosed
04/28/2026 +0 days VulDB entry created
04/28/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-hhq4-97c2-p447
Researcher: KeenSecurityLab
Status: Confirmed

CVE: CVE-2026-41402 (🔒)
GCVE (CVE): GCVE-0-2026-41402
GCVE (VulDB): GCVE-100-360040

Entryinfo

Created: 04/28/2026 22:02
Changes: 04/28/2026 22:02 (80)
Complete: 🔍
Cache ID: 216::103

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