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Node.js CVE-2025-63703

| EUVD-2025-209729 CRITICAL
Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution) (CWE-1321)
2026-05-07 cve@mitre.org GHSA-x72j-hv9f-qqh4
9.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
CVSS changed
May 08, 2026 - 23:22 NVD
9.8 (CRITICAL)
CVE Published
May 07, 2026 - 16:16 nvd
UNKNOWN (no severity yet)
CVE Published
May 07, 2026 - 16:16 nvd
CRITICAL 9.8

DescriptionNVD

npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().

Analysis

npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().

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CVE-2025-63703 vulnerability details – vuln.today

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