CVE-2026-27524 OpenClaw < 2026.2.21 - Prototype Pollution via Debug Override Path

What is CVE-2026-27524?

CVE-2026-27524 is a low-severity code injection vulnerability in Openclaw Openclaw, published on 18 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions.

Weakness: CWE-1321

Which versions are affected by CVE-2026-27524?

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

Products include Openclaw Openclaw.

How do I fix CVE-2026-27524?

Upgrade openclaw to 2026.2.21 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-27524 being exploited?

There is no known exploitation of CVE-2026-27524 in the wild and no public exploit code.

Other vulnerabilities in Openclaw Openclaw

• CVE-2026-28363 Security feature bypass in OpenClaw Critical 9.9
• CVE-2026-30741 Code injection in n/a Critical 9.8
• CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval Critical 9.4
• CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate Critical 9.4
• CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners Critical 9.4

All Openclaw Openclaw vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-62f6-mrcj-v8h5, MINI-h568-mrgx-6h3j.