# i18next-fs-backend (npm) vulnerabilities

2 known vulnerabilities (1 critical, 1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.6.10 (Nov 1, 2026): no advisory affects it
- Newest unaffected release: 2.6.10 (Nov 1, 2026), the latest release
- Weekly downloads: 1.5M
- Releases: 42 since 1.0.0 (Apr 20, 2020)
- Registry: https://www.npmjs.com/package/i18next-fs-backend
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-48713: 0.0.1-security to 2.6.5 (2.6.6 is outside it)
- CVE-2026-41693: 0.0.1-security to 2.6.3 (2.6.4 is outside it)

## Advisories (2)

### [CVE-2026-48713](https://cve.now/CVE-2026-48713): i18next-fs-backend: Prototype pollution via crafted missing-key string

- Severity: Critical 9.1
- Published: Jun 15, 2026
- Affected: fixed in 2.6.6.
- Fixed in 2.6.6 (released May 22, 2026, 24 days before disclosure).
- The latest release, 2.6.10, is not affected.
- 48% of i18next-fs-backend downloads last week were affected versions (836.8K).

### [CVE-2026-41693](https://cve.now/CVE-2026-41693): i18next-fs-backend: Path traversal via unsanitised lng/ns allows arbitrary file read/overwrite

- Severity: High 8.2
- Published: May 8, 2026
- Affected: fixed in 2.6.4.
- Fixed in 2.6.4 (released Apr 18, 2026, 20 days before disclosure).
- The latest release, 2.6.10, is not affected.
- 46% of i18next-fs-backend downloads last week were affected versions (792.7K).

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