OpenClaw up to 2026.3.30 origin validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in OpenClaw up to 2026.3.30 and classified as problematic. Impacted is an unknown function. This manipulation causes origin validation. This vulnerability appears as CVE-2026-41393. The attacker needs to be present on the local network. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in OpenClaw up to 2026.3.30 and classified as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a origin validation vulnerability. The CWE definition for the vulnerability is CWE-346. The product does not properly verify that the source of data or communication is valid. As an impact it is known to affect confidentiality. The summary by CVE is:

OpenClaw before 2026.3.31 contains a wide-area discovery vulnerability allowing arbitrary tailnet peers to be accepted as DNS authorities. Attackers with same-tailnet position and CA-trusted endpoint access can exfiltrate operator credentials through DNS steering manipulation.

The weakness was presented by KeenSecurityLab and qclawer as GHSA-q9w8-cf67-r238. The advisory is shared at github.com. This vulnerability is known as CVE-2026-41393 since 04/20/2026. The exploitation appears to be difficult. The attack needs to be done within the local network. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2026.3.31 eliminates this vulnerability. Applying the patch a23c33a681f8c1b22dc793995acc4c5c4b568346 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: 3.9
VulDB Meta Temp Score: 3.9

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

CNA Base Score: 4.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

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: a23c33a681f8c1b22dc793995acc4c5c4b568346

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-q9w8-cf67-r238
Researcher: KeenSecurityLab, qclawer
Status: Confirmed

CVE: CVE-2026-41393 (🔒)
GCVE (CVE): GCVE-0-2026-41393
GCVE (VulDB): GCVE-100-360013

Entryinfo

Created: 04/28/2026 21:53
Changes: 04/28/2026 21:53 (78)
Complete: 🔍
Cache ID: 216::103

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