Is there a public exploit for CVE-2026-22029?

No public exploit for CVE-2026-22029 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-22029?

CVE-2026-22029 scores CVSS 8 (v3.1), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.87%.

What does CVE-2026-22029 affect?

CVE-2026-22029 affects remix-run react-router, @remix-run/router.

8.0 High

React Router is a router for React.

CVE-2026-22029

React Router is a router for React. In @remix-run/router version prior to 1.23.2 and react-router 7.0.0 through 7.11.0, React Router (and Remix v1/v2) SPA open navigation redirects originating from loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes can result in unsafe URLs causing unintended javascript execution on the client. This is only an issue if you are creating redirect paths from untrusted content or via an open redirect. There is no impact if Declarative Mode ( ) is being used. This issue has been patched in @remix-run/router version 1.23.2 and react-router version 7.12.0.

Assessment

CVSS: 8 (v3.1)
Severity: High
EPSS: 0.87% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 8 January 2026
Last updated: 10 September 2026
Affected: remix-run · @remix-run/router · react-router · react-router · @remix-run/router
Weakness: CWE-79
Assigner: security-advisories@github.com

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

At the source

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