🛡️ CVE-2026-40181 on npm (Root.io) — react-router

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2026-40181 in react-router - Patched by Root

Root has patched CVE-2026-40181 in the react-router package for Root:npm. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-40181 as tracked by npm (Root.io), for the package react-router. The fix is available in version 7.12.0-root.io.3; earlier versions remain affected.

Affected software

ROOT-APP-NPM-CVE-2026-40181 is recorded against 2 packages.

  • @rootio/react-router (fixed in 7.12.0-root.io.3)
  • react-router (fixed in 7.12.0-aikido.3)

Timeline and source

Published on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-04
Updated 2026-08-12
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
@rootio/react-router — 7.12.0-root.io.3
react-router — 7.12.0-aikido.3

References

N/A

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