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CVE-2026-125116: Automattic mongoose: Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment

🗓️ 09 Nov 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7🔗 www.rapid7.com👁 4 Views

Type confusion in Mongoose via attacker-controlled discriminator keys.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-125116
9 Nov 202615:17
–circl
cve
CVE		CVE-2026-125116
9 Nov 202622:20
–cve
cvelist
Cvelist		CVE-2026-125116 Mongoose: Discriminator key values matching inherited properties (e.g. __t: 'constructor') bypass schema casting and can poison collections
9 Nov 202622:20
–cvelist
euvd
EUVD		EUVD-2026-120497
10 Nov 202620:57
–euvd
github
Github Security Blog		Mongoose: Discriminator key values matching inherited properties (e.g. __t: 'constructor') bypass schema casting and can poison collections
10 Nov 202620:57
–github
mend
Mend		CVE-2026-125116
9 Nov 202622:20
–mend
nvd
NVD		CVE-2026-125116
9 Nov 202623:17
–nvd
osv_ghsa
osv_ghsa		GHSA-WR5M-5JPH-8M96 Mongoose: Discriminator key values matching inherited properties (e.g. __t: 'constructor') bypass schema casting and can poison collections
10 Nov 202620:57
–osv_ghsa
patchstack
Patchstack		npm: Mongoose: Discriminator key values matching inherited properties (e.g. __t: 'constructor') bypass schema casting and can poison collections
10 Nov 202620:57
–patchstack
ptsecurity
Positive Technologies		PT-2026-141160
9 Nov 202600:00
–ptsecurity

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09 Nov 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.8
EPSS0.00339
Mongoosetype confusionModel.discriminatorsschema.discriminatorsbulkWrite()insertOne()
4