PatchTheCVECVE-2018-3752: The utilities function in all versions <= 1.0.0 of the merge-options node module can be tricked into modifying
CVE-2018-3752 is a critical-severity flaw (CVSS 9.8) affecting merge-options. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The utilities function in all versions <= 1.0.0 of the merge-options node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.4% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2018-07-03 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-3752?
merge-options: upgrade to newer than 1.0.0. Exact commands for each OS are on this page.
Is CVE-2018-3752 being exploited?
CVE-2018-3752 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-3752 affect?
CVE-2018-3752 affects merge-options. Severity is critical (CVSS 9.8). The utilities function in all versions <= 1.0.0 of the merge-options node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add
How urgent is CVE-2018-3752?
Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action