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

Low 2.1 Published 28 Apr 2026 Updated 29 Apr 2026

Attackers can dispatch unauthorized agent requests via local-network pages, polluting session state and consuming budget in OpenClaw iOS apps.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2026-41398?

CVE-2026-41398 is a low-severity missing authorization vulnerability in Openclaw Openclaw, published on 28 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-346

Which versions are affected by CVE-2026-41398?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

Package	Affected	Fixed in
`openclaw` npm	All versions	`2026.4.2`
`openclaw` npm	All versions	`2026.4.2`

Products include Openclaw Openclaw.

How do I fix CVE-2026-41398?

Upgrade openclaw to 2026.4.2 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-41398 being exploited?

There is no known exploitation of CVE-2026-41398 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-4p4f-fc8q-84m3, MINI-3xfr-xjq6-7vp7.