High severity8.8NVD Advisory· Published Jun 7, 2018· Updated Jun 17, 2026
CVE-2018-3722
CVE-2018-3722
Description
merge-deep node module before 3.0.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
merge-deepnpm | < 3.0.1 | 3.0.1 |
Affected products
3- HackerOne/merge-deep node modulev5Range: Versions before 3.0.1
- cpe:2.3:a:merge-deep_project:merge-deep:*:*:*:*:*:node.js:*:*Range: <3.0.1
Patches
Vulnerability mechanics
References
5- github.com/jonschlinkert/merge-deep/commit/2c33634da7129a5aefcc262d2fec2e72224404e5nvdPatchThird Party AdvisoryWEB
- hackerone.com/reports/310708nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-9g9w-hmvj-5h57ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-3722ghsaADVISORY
- www.npmjs.com/advisories/580ghsaWEB
News mentions
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