Medium severity5.3NVD Advisory· Published Dec 11, 2020· Updated Jun 17, 2026

CVE-2020-35149

Description

lib/utils.js in mquery before 3.2.3 allows a pollution attack because a special property (e.g., __proto__) can be copied during a merge or clone operation.

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
mquerynpm	< 3.2.3	3.2.3

Affected products

mquery/mquerydescription
Mquery Project/Mquery
cpe:2.3:a:mquery_project:mquery:*:*:*:*:*:node.js:*:*
Range: <3.2.3
ghsa-coords
pkg:npm/mquery
Range: < 3.2.3

Patches

Vulnerability mechanics

References

github.com/aheckmann/mquery/commit/792e69fd0a7281a0300be5cade5a6d7c1d468ad4nvdPatchThird Party AdvisoryWEB
github.com/advisories/GHSA-45q2-34rf-mr94ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2020-35149ghsaADVISORY

News mentions

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cvss	0.345
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000