Remote Code Execution Vulnerability in React Router by Remix Run
CVE-2026-42211

8.1HIGH

Key Information:

Vendor

Remix-run

Status
React-router
Vendor
CVE Published:
2 June 2026

What is CVE-2026-42211?

false

Affected Version(s)

react-router >= 7.0.0, < 7.14.2

References

https://github.com/remix-run/react-router/security/adviso...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.