CVE-2026-27597 @enclave-vm/core is vulnerable to Sandbox Escape

Critical 10.0 Published Updated

Attackers can escape the JavaScript sandbox to achieve remote code execution, affecting users of the Enclave library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-27597?

CVE-2026-27597 is a critical code injection vulnerability in agentfront enclave, published on 25 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Enclave is a secure JavaScript sandbox designed for safe AI agent code execution. Prior to version 2.11.1, it is possible to escape the security boundraries set by `@enclave-vm/core`, which can be used to achieve remote code execution (RCE). The issue has been fixed in version 2.11.1.

Weakness: CWE-94

Which versions are affected by CVE-2026-27597?

2 open source packages ship an affected version, including @enclave-vm/core. It affects 1 product.

PackageAffectedFixed in
@enclave-vm/core npmAll versions2.11.1
@enclave-vm/core npmAll versions2.11.1

Products include Agentfront Enclave.

How do I fix CVE-2026-27597?

Upgrade @enclave-vm/core to 2.11.1 or later.

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

Is CVE-2026-27597 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-27597 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-f229-3862-4942.

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