CVE-2026-53829 OpenClaw < 2026.5.18 - Command Truncation in Exec Approval Display

High 8.5 Published Updated

Authenticated users can hide malicious command suffixes from approvers in OpenClaw, leading to unauthorized code execution.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-53829?

CVE-2026-53829 is a high-severity vulnerability in Openclaw Openclaw, published on 12 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

OpenClaw before 2026.5.18 contains an approval display truncation vulnerability allowing authenticated users to hide command suffixes from approvers. Attackers can submit oversized exec commands with benign prefixes and malicious suffixes to execute unauthorized operations after approval.

Weakness: CWE-451

Which versions are affected by CVE-2026-53829?

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

PackageAffectedFixed in
openclaw npmAll versions2026.5.18
openclaw npmAll versions2026.5.18

Products include Openclaw Openclaw.

How do I fix CVE-2026-53829?

Upgrade openclaw to 2026.5.18 or later.

Is CVE-2026-53829 being exploited?

There is no known exploitation of CVE-2026-53829 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-92qj-8g54-qmph, GHSA-xww8-gqvh-92x9, MINI-2rv4-wjx4-gfw2, MINI-hr4w-3jv6-88hh.

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