CVE-2026-35642 OpenClaw < 2026.3.25 - Authorization Bypass in Group Reactions via requireMention Bypass

Medium 5.3 Published Updated

Attackers can bypass mention restrictions in group chats to trigger unauthorized agent reactions, requiring an upgrade to OpenClaw.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-35642?

CVE-2026-35642 is a medium-severity missing authorization vulnerability in Openclaw Openclaw, published on 9 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.

Weakness: CWE-288

Which versions are affected by CVE-2026-35642?

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

PackageAffectedFixed in
openclaw npmAll versions to 2026.3.24None
openclaw npmAll versions to 2026.3.24None

Products include Openclaw Openclaw.

How do I fix CVE-2026-35642?

Upgrade to a fixed version.

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

Is CVE-2026-35642 being exploited?

There is no known exploitation of CVE-2026-35642 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-3grx-cg6p-5wc6, GHSA-mw7w-g3mg-xqm7, MINI-49v6-6943-34gq, MINI-v3v3-gfrp-hw94.

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