CVE-2026-9673

high

Description

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.

References

https://security.snyk.io/vuln/SNYK-JS-JSON2CSV-14221326

https://github.com/mrodrig/json-2-csv/commit/0fdd0bb6d0273178cd940afc323ccbce19688229

https://github.com/mrodrig/json-2-csv/blob/main/src/json2csv.ts%23L410

https://gist.github.com/whoamins/299745a2d36b482b44e9613b78e40613

Details

Source: Mitre, NVD

Published: 2026-05-28

Updated: 2026-05-29

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 7

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00025