CVE-2026-41398: OpenClaw - Unauthorized Agent Request Dispatch via Untrusted Local-Network Pages in iOS A2UI Bridge

Published Apr 28, 2026
·
Updated

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.

Affected Software

2 affected components
OpenClaw OpenClaw<2026.4.2
OpenClaw Openclaw Node.js<2026.4.2

Event History

Apr 28, 2026
CVE Published
via MITRE·06:09 PM
Data Sourced
via MITRE·06:09 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:37 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-41398?

CVE-2026-41398 has been classified with a high severity due to its potential for unauthorized access and exploitation in local networks.

2

How do I fix CVE-2026-41398?

To fix CVE-2026-41398, update OpenClaw to version 2026.4.2 or later, which addresses the improper access control vulnerability.

3

What types of devices are affected by CVE-2026-41398?

CVE-2026-41398 affects devices running the OpenClaw software, particularly those using the iOS A2UI bridge prior to version 2026.4.2.

4

Can CVE-2026-41398 be exploited remotely?

No, CVE-2026-41398 requires local network access to exploit the vulnerability, allowing attackers to inject unauthorized requests.

5

Who is responsible for the vulnerability tracking of CVE-2026-41398?

The vulnerability tracking for CVE-2026-41398 is managed by the NVD and OpenClaw's development team.

Contact

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