OpenClaw up to 2026.4.1 origin validation

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 2026.4.1. This affects an unknown part. The manipulation results in origin validation. This vulnerability is cataloged as CVE-2026-41398. The attack must originate from the local network. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in OpenClaw up to 2026.4.1. Affected is some unknown functionality. The manipulation with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The product does not properly verify that the source of data or communication is valid. This is going to have an impact on integrity, and availability. CVE summarizes:

OpenClaw before 2026.4.2 contains an improper access control vulnerability in the iOS A2UI bridge that treats generic local-network pages as trusted origins. Attackers can inject unauthorized agent.request runs by loading attacker-controlled pages from local-network or tailnet hosts, polluting session state and consuming budget.

The weakness was shared by KeenSecurityLab and qclawer as GHSA-4p4f-fc8q-84m3. The advisory is available at github.com. This vulnerability is traded as CVE-2026-41398 since 04/20/2026. The exploitability is told to be easy. The attack can only be initiated within the local network. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 2026.4.2 eliminates this vulnerability. Applying the patch 49d08382a90f71dabe2877b3f6729ad85f808d57 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: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.6
CNA Vector (VulnCheck): 🔒

CVSSv2info

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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 2026.4.2
Patch: 49d08382a90f71dabe2877b3f6729ad85f808d57

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-4p4f-fc8q-84m3
Researcher: KeenSecurityLab, qclawer
Status: Confirmed

CVE: CVE-2026-41398 (🔒)
GCVE (CVE): GCVE-0-2026-41398
GCVE (VulDB): GCVE-100-360054

Entryinfo

Created: 04/28/2026 22:05
Changes: 04/28/2026 22:05 (78)
Complete: 🔍
Cache ID: 216::103

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