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No exploitation reportedFix available

CVE-2018-16469

No exploitation reported by the sources we read.

  • Published2018-10-30
  • Fixed in1.2.1
  • WeaknessCWE-20 · CWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2018-10-3021:29CVE publishedNVD

Versions per branch

NVD · OSV
Merge project merge
BranchAffectedFixed in
1.2< 1.2.11.2.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • @rootio/mergeRoot:npmall versions · fixed in 1.2.1-root.io.1
  • @rootio/mergeRoot:npmall versions · fixed in 1.2.1-root.io.2
  • mergeRoot:npmall versions · fixed in 1.2.1-aikido.2
  • node-mergeUbuntu:22.04:LTSall versions · no fixed version listed
  • node-mergeUbuntu:20.04:LTSall versions · no fixed version listed
  • node-mergeUbuntu:18.04:LTSall versions · no fixed version listed
  • node-mergeUbuntu:16.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

  1. Update Merge project merge to 1.2.1

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-400known since 2026-10-23
  • NVDweakness (CWE)CWE-20read 2026-10-23
  • FIRST EPSSEPSS score1.7 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2020-06-16

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-10-30
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-f9cm-qmx5-m98h

Frequently asked questions

What is CVE-2018-16469?

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.

Is CVE-2018-16469 actively exploited?

Active exploitation of CVE-2018-16469 has not been confirmed. Its EPSS score was 1.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16469?

CVE-2018-16469 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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