CVE-2026-16150

MEDIUM

RobinHerbots Inputmask Internal Deep Merge Helper extend.js extendAliases prototype pollution

Title source: cna
STIX 2.1

Description

A vulnerability was found in RobinHerbots Inputmask up to 5.0.9. Affected by this issue is the function extendDefaults/extendDefinitions/extendAliases in the library lib/dependencyLibs/extend.js of the component Internal Deep Merge Helper. The manipulation results in improperly controlled modification of object prototype attributes. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-379909 | RobinHerbots Inputmask Internal Deep Merge Helper extend.js extendAliases prototype pollution
https://vuldb.com/vuln/379909
Signature, Permissions Required signature permissions-required
VDB-379909 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/379909/cti
Third Party Advisory third-party-advisory
CVE-2026-16150 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-16150
Third Party Advisory third-party-advisory
Submit #856979 | Node.js Inputmask 5.0.9 Prototype Pollution
https://vuldb.com/submit/856979

Scores

CVSS v3 6.3
EPSS 0.0026
EPSS Percentile 17.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-1321 CWE-94
Status published
Products (10)
RobinHerbots/Inputmask 5.0.0
RobinHerbots/Inputmask 5.0.1
RobinHerbots/Inputmask 5.0.2
RobinHerbots/Inputmask 5.0.3
RobinHerbots/Inputmask 5.0.4
RobinHerbots/Inputmask 5.0.5
RobinHerbots/Inputmask 5.0.6
RobinHerbots/Inputmask 5.0.7
RobinHerbots/Inputmask 5.0.8
RobinHerbots/Inputmask 5.0.9
Published Jul 18, 2026
Tracked Since Jul 19, 2026