CVE-2025-57350: The csvtojson package, a tool for converting CSV data to JSON with customizable parsing capabilities, contains

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HIGH 8.6REMOTEUPGRADE

CVE-2025-57350 is a high-severity flaw (CVSS 8.6) affecting csvtojson. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The csvtojson package, a tool for converting CSV data to JSON with customizable parsing capabilities, contains a prototype pollution vulnerability in versions prior to 2.0.10. This issue arises due to insufficient sanitization of nested header names during the parsing process in the parser_jsonarray component. When processing CSV input containing specially crafted header fields that reference prototype chains (e.g., using __proto__ syntax), the a

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-1321
Published	2025-09-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: keyangxiang

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-24 18:15 UTCPublished CVE record published
2026-06-17 09:43 UTCUpdated Record last modified

keyangxiang csvtojson UPGRADE

Affected: < 2.0.10

Fixed in: 2.0.10

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls csvtojson

2. UPGRADE to 2.0.10

npm install csvtojson@">=2.0.10"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-57350?

csvtojson: upgrade to 2.0.10. Exact commands for each OS are on this page.

Is CVE-2025-57350 being exploited?

CVE-2025-57350 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-57350 affect?

CVE-2025-57350 affects csvtojson. Severity is high (CVSS 8.6). The csvtojson package, a tool for converting CSV data to JSON with customizable parsing capabilities, contains a prototype pollution vulnerability in versions prior to 2.0.10. This issue arises due to insufficient sanitization of nested hea

How urgent is CVE-2025-57350?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

References

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