SCA: security update for @remix-run/react, react-router (GHSA-8v8x-cx79-35w7)

high Tenable Cloud Security Plugin ID 436688

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- React Router is a router for React. In @remix-run/react version prior to 2.17.3. and react-router 7.0.0
through 7.11.0, a XSS vulnerability exists in in React Router's <ScrollRestoration> API in Framework Mode
when using the getKey/storageKey props during Server-Side Rendering which could allow arbitrary JavaScript
execution during SSR if untrusted content is used to generate the keys. There is no impact if server-side
rendering in Framework Mode is disabled, or if Declarative Mode (<BrowserRouter>) or Data Mode
(createBrowserRouter/<RouterProvider>) is being used. This issue has been patched in @remix-run/react
version 2.17.3 and react-router version 7.12.0. (CVE-2026-21884)

See Also

https://github.com/advisories/GHSA-8v8x-cx79-35w7

Plugin Details

Severity: High

ID: 436688

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 1/11/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.78

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-21884

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/8/2026

Vulnerability Publication Date: 1/8/2026

Reference Information

CVE: CVE-2026-21884

cwe: CWE-79