CVE-2026-25533 Enclave has a sandbox escape via infinite recursion and error objects
Attackers can escape the Enclave JavaScript sandbox via recursion and error object exploits, enabling arbitrary code execution on the host.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-25533?
CVE-2026-25533 is a medium-severity code injection vulnerability in agentfront enclave, published on 6 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Enclave is a secure JavaScript sandbox designed for safe AI agent code execution. Prior to 2.10.1, the existing layers of security in enclave-vm are insufficient: The AST sanitization can be bypassed with dynamic property accesses, the hardening of the error objects does not cover the peculiar behavior or the vm module and the function constructor access prevention can be side-stepped by leveraging host object references. This vulnerability is fixed in 2.10.1.
Weakness: CWE-835
Which versions are affected by CVE-2026-25533?
4 open source packages ship an affected version, including @enclave-vm/core and enclave-vm. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@enclave-vm/core npm | All versions | 2.10.1 |
@enclave-vm/core npm | All versions | 2.10.1 |
enclave-vm npm | All versions to 2.7.0 | None |
enclave-vm npm | All versions to 2.7.0 | None |
Products include Agentfront Enclave.
How do I fix CVE-2026-25533?
Upgrade @enclave-vm/core to 2.10.1 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-25533 being exploited?
There is no known exploitation of CVE-2026-25533 in the wild and no public exploit code.
Other vulnerabilities in agentfront enclave
Sources
Also known as GHSA-x39w-8vm5-5m3p.