🛡️ CVE-2026-40181
⚪ Unknown ✅ No Known Exploit CWE-601 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

React Router is a router for React. In versions 7.0.0 through 7.14.0 and 6.7.0 through 6.30.3, certain URLs passed to the redirect function can trigger an open redirect to an external domain due to path values starting with // being reinterpreted as protocol-relative URLs. The level of impact depends on the validation done by the application prior to returning the redirect. This does not impact applications using Declarative Mode (). This is patched in versions 7.14.1 and 6.30.4.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
CWE CWE-601
Public Exploit ✅ No
Source NVD
Published 2026-06-03
Updated 2026-06-15
Modified 2026-06-09
Fix URL N/A

Affected Packages

Software From version Fixed in
react-router — —
unknown — —

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