What is CVE-2026-41691?

CVE-2026-41691 is a medium-severity vulnerability in I18next I18next-http-backend, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-05-07.

How severe is CVE-2026-41691?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in I18next I18next-http-backend

CVE-2026-41691

Copilot said: i18nextify is a JavaScript library that adds i18nextify is a JavaScript library that adds website internationalization via a script tag, without source code changes. Versions prior to 3.0.5 interpolate the lng and ns values d…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

I18next I18next-http-backend — versions < 3.0.5

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-41691?: CVE-2026-41691 is a medium-severity vulnerability in I18next I18next-http-backend, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-05-07.
How severe is CVE-2026-41691?: Medium severity. CVSS v3 base score is 6.5 out of 10.