medium6.8
CVE-2026-9673
Versions of the package json-2-csv from 3.15.0 and before 5.5.11 are vulnerable to CSV Injection via the preventCsvInjection option which can be bypassed.
Impact
Versions of the package json-2-csv from 3.15.0 and before 5.5.11 are vulnerable to CSV Injection via the preventCsvInjection option which can be bypassed. An attacker can inject formulas into CSV files, which execute when the files are opened in spreadsheet applications.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | json-2-csv | >= 3.15.0, < 5.5.11 | 5.5.11 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-g27c-q7cp-mhx6
- https://nvd.nist.gov/vuln/detail/CVE-2026-9673
- https://github.com/mrodrig/json-2-csv/commit/0fdd0bb6d0273178cd940afc323ccbce19688229
- https://gist.github.com/whoamins/299745a2d36b482b44e9613b78e40613
- https://github.com/mrodrig/json-2-csv/blob/main/src/json2csv.ts%23L410
- https://security.snyk.io/vuln/SNYK-JS-JSON2CSV-14221326
- https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-17115116