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As of 10/26/2026, i18next-http-middleware recorded 0 security vulnerabilities in the last 90 days, of which 0 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of i18next-http-middleware and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-48714i18next-http-middleware missingKeyHandler does not reject keys whose segments contain prototype-polluting namesCVE-2026-42353Path traversal / SSRF in i18next-http-middleware via user-controlled language and namespace parametersCVE-2026-41683HTTP response splitting and DoS in i18next-http-middleware via unsanitised Content-Language headerCVE-2026-41690Prototype pollution and path traversal in i18next-http-middleware via user-controlled language and namespace parameters| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-48714i18next-http-middleware missingKeyHandler does not reject keys whose segments contain prototype-polluting names | Exploitation statusNot exploited | FixYes | Published06/15/2026 | SeverityCritical |
CVE-2026-42353Path traversal / SSRF in i18next-http-middleware via user-controlled language and namespace parameters | Exploitation statusNot exploited | FixYes | Published05/08/2026 | SeverityHigh |
CVE-2026-41683HTTP response splitting and DoS in i18next-http-middleware via unsanitised Content-Language header | Exploitation statusNot exploited | FixYes | Published05/08/2026 | SeverityHigh |
CVE-2026-41690Prototype pollution and path traversal in i18next-http-middleware via user-controlled language and namespace parameters | Exploitation statusNot exploited | FixNo | Published05/08/2026 | SeverityHigh |
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