CVE-2025-63703 parse-ini is vulnerable to Prototype Pollution in index.js()
Critical 9.8
Published
Updated
Check this codebase for CVE-2025-63703 and fix it if it is affected.
What it is: CVE-2025-63703 is a critical vulnerability in n/a, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-63703 in the wild and no public exploit code.
Affected packages and fixed versions:
- parse-ini (npm): affected all versions; no fix listed
- parse-ini (npm): affected all versions; no fix listed
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2025-63703/ (Markdown: https://insights.sbomify.com/CVE-2025-63703/index.md)
Prototype pollution in parse-ini allows attackers to modify object prototypes, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-63703?
CVE-2025-63703 is a critical vulnerability in n/a, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
npm package parse-ini v1.0.6 is vulnerable to Prototype Pollution in index.js().
Weakness: CWE-1321
Which versions are affected by CVE-2025-63703?
2 open source packages ship an affected version, including parse-ini.
| Package | Affected | Fixed in |
|---|---|---|
parse-ini npm | All versions | None |
parse-ini npm | All versions | None |
How do I fix CVE-2025-63703?
No fix has been published for CVE-2025-63703 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-63703 being exploited?
There is no known exploitation of CVE-2025-63703 in the wild and no public exploit code.
Sources
Also known as GHSA-x72j-hv9f-qqh4.