CVE-2018-16469

Name: CVE-2018-16469
Creator: NVD / NIST
Published: 2018-10-30T21:29:00.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2018-16469 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The merge.recursive function in the merge package <1.2.1 can be tricked into adding or modifying properties of the Object prototype. These properties will be present on all objects allowing for a denial of service attack.. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

The merge.recursive function in the merge package <1.2.1 can be tricked into adding or modifying properties of the Object prototype. These properties will be present on all objects allowing for a denial of service attack.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.68%

74.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Merge Project	Merge	< 1.2.1

References

https://hackerone.com/reports/381194Exploit, Third Party Advisory
https://hackerone.com/reports/381194Exploit, Third Party Advisory

Timeline

Published: Oct 30, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-16469?

How severe is CVE-2018-16469?

CVE-2018-16469 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16469?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-16469?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST