CVE catalog
CVE-2026-33245
React Router is a router for React. In versions 7.7.0 through 7.13.1, when using React Router's unstable React Server Components (RSC) APIs, there is a potential client-side Cross-Site Scripting (XSS)
- Severity
- High · CVSS 8
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.19% · Oct 25, 2026
A flaw was found in React Router. This vulnerability, a type of Cross-Site Scripting (XSS), affects applications utilizing React Router's unstable React Server Components (RSC) APIs. A remote attacker could exploit this by sending untrusted redirects, leading to the execution of malicious scripts in the client's browser. This could result in information disclosure or unauthorized actions. react-router: React Router: Cross-Site Scripting vulnerability via untrusted React Server Component redirects The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | react-router | Not reported | 7.13.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | react-router | cpe | Not reported | 7.13.2 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11680-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-33245]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33245.json]
[FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]