# CVE-2024-57086: node-opcua-alarm-condition prototype pollution in fieldsToJson

Source: https://junglewise.ai/threats/cve-2024-57086-node-opcua-alarm-condition-prototype-pollution-in-fieldstojson  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-02-06. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2024-57086 · Severity: low · CVSS 3.1 · Published 2025-02-06

node-opcua-alarm-condition is a Node.js library that implements OPC UA alarm and condition functionality for industrial IoT systems. A prototype pollution vulnerability in the fieldsToJson function allows an attacker to send a crafted payload over the network, causing the application to crash or become unresponsive, disrupting industrial operations and system availability.

Vendors: [npm](https://junglewise.ai/threats/vendors/npm).

## Quick answers

**Is CVE-2024-57086 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-57086 being exploited in the wild.

**How severe is CVE-2024-57086?** Low severity, with a CVSS score of 3.1, published 6 February 2025.

**Which products and versions are affected?** node-opcua-alarm-condition (npm) SEMVER:introduced=0,fixed=2.137.0.

**Is there a fix for CVE-2024-57086?** Yes. node-opcua-alarm-condition (npm): upgrade to 2.137.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2024-57086 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2024-57086?** Check whether you run node-opcua-alarm-condition (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- node-opcua-alarm-condition (npm): upgrade to 2.137.0 or later

  ```sh
  npm install node-opcua-alarm-condition@2.137.0
  ```


## Technical details

The vulnerability is a prototype pollution flaw (CWE-1321) in the fieldsToJson function of node-opcua-alarm-condition that allows attackers to inject malicious properties into JavaScript objects. The vulnerability is triggered by supplying a crafted payload and requires only network connectivity with no authentication or user interaction needed. An attacker can exploit this to cause a Denial of Service (DoS) by crashing or degrading the application performance. The vulnerability affects all versions up to and including 2.134.0; it has been patched in version 2.137.0 and later.

## Affected products

- node-opcua node-opcua-alarm-condition 0 through 2.136.x

## Identifiers

- CVE-2024-57086
- GHSA-gvwq-6fmx-28xm

## Timeline

- 2025-02-05: disclosed: CVE-2024-57086 published
- 2025-02-06: advisory: GHSA-gvwq-6fmx-28xm advisory published
- 2025-02-06: patched: Fixed in version 2.137.0
- 2025-04-10: other: GitHub advisory reviewed and confirmed fix verified by community

## References

- [https://github.com/node-opcua/node-opcua/issues/1433](https://github.com/node-opcua/node-opcua/issues/1433)