PT-2026-64212 · Npm · React Router

CVE-2026-53666 · Publicado 2026-07-23 · Atualizado 2026-07-23

OSV

CVSS v3.1

6.1

Média

Vetor base

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

If application code allows attacker supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for attacker to trigger unexpected constructor execution on the client which would trigger outbound network traffic. This is only possible with very specific (and unlikely) application layer code.

[!NOTE] This does not impact your application if you are using Declarative Mode. This only impacts Framework Mode and Data Mode applications doing manual SSR/hydration

Correção

Enumeração de Fraquezas

CWE-470

Identificadores relacionados

CVE-2026-53666

GHSA-337J-9HXR-RHXG

Produtos afetados

React Router

Referências · 7

• https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0 · Nota
• https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180 · Nota
• https://github.com/remix-run/react-router/security/advisories/GHSA-337j-9hxr-rhxg · Nota
• https://github.com/remix-run/react-router/commit/9d22943fd46c8ae4b08236425fa3549e10e9ad1a · Nota
• https://github.com/remix-run/react-router · Nota
• https://github.com/remix-run/react-router/pull/15175 · Nota
• https://osv.dev/vulnerability/GHSA-337j-9hxr-rhxg · Aviso do Fabricante