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Medium severity6.5NVD Advisory· Published Dec 10, 2021· Updated Jun 17, 2026

CVE-2021-23700

CVE-2021-23700

Description

All versions of package merge-deep2 are vulnerable to Prototype Pollution via the mergeDeep() function.

AI Insight

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-deep2npm	<= 3.0.6	—

Affected products

3

Merge Deep2 Project/Merge Deep2
cpe:2.3:a:merge-deep2_project:merge-deep2:*:*:*:*:*:node.js:*:*
merge-deep2/merge-deep2description
ghsa-coords
pkg:npm/merge-deep2
Range: <= 3.0.6

Patches

Vulnerability mechanics

References

3

snyk.io/vuln/SNYK-JS-MERGEDEEP2-1727593nvdExploitMitigationThird Party AdvisoryWEB
github.com/advisories/GHSA-j28q-p8ww-cp87ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-23700ghsaADVISORY

News mentions

0

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