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

Published Jun 12, 2026
·
Updated

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.

Affected Software

2 affected components
OpenClaw<2026.5.18
OpenClaw Openclaw Node.js<2026.5.18

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade OpenClaw to a version that resolves this vulnerability.

    Fixed in 2026.5.18

Event History

Jun 12, 2026
CVE Published
via MITRE·09:56 PM
Data Sourced
via MITRE·09:56 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-53829?

CVE-2026-53829 has a severity score of 8.5, classified as high risk.

2

How do I fix CVE-2026-53829?

To mitigate CVE-2026-53829, upgrade OpenClaw to version 2026.5.18 or later.

3

What does CVE-2026-53829 affect?

CVE-2026-53829 affects OpenClaw before version 2026.5.18.

4

What type of vulnerability is CVE-2026-53829?

CVE-2026-53829 is a command truncation vulnerability that affects the exec approval display.

5

Who is affected by CVE-2026-53829?

Authenticated users are affected by CVE-2026-53829 as they can exploit the vulnerability to hide command suffixes.

Contact

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