CVE-2025-63703
parse-ini is vulnerable to Prototype Pollution in index.js()
npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().
- Record
CVE-2025-63703- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
EUVDEUVD-2025-209729
npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().
- Record
EUVD-2025-209729- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x72j-hv9f-qqh4
parse-ini is vulnerable to Prototype Pollution in index.js()
npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().
- Record
GHSA-x72j-hv9f-qqh4- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().
- Record
CVE-2025-63703- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-04
OSVGHSA-x72j-hv9f-qqh4
parse-ini is vulnerable to Prototype Pollution in index.js()
npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().
- Record
GHSA-x72j-hv9f-qqh4- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-63703 is a critical vulnerability (CVSS 9.8) in parse-ini, published May 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. No source names a fixed version.