Vulnerability Details CVE-2026-34077
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) vulnerability in the RSC redirect handling if redirects come from untrusted sources. This does not impact applications that are not using the unstable RSC APIs in React Router. This is patched in version 7.13.2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.2%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-34077
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cpe:2.3:a:shopify:react-router:7.0.0
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cpe:2.3:a:shopify:react-router:7.0.1
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cpe:2.3:a:shopify:react-router:7.0.2
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cpe:2.3:a:shopify:react-router:7.1.0
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cpe:2.3:a:shopify:react-router:7.1.1
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cpe:2.3:a:shopify:react-router:7.1.2
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cpe:2.3:a:shopify:react-router:7.1.3
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cpe:2.3:a:shopify:react-router:7.1.4
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cpe:2.3:a:shopify:react-router:7.1.5
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cpe:2.3:a:shopify:react-router:7.10.0
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cpe:2.3:a:shopify:react-router:7.10.1
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cpe:2.3:a:shopify:react-router:7.11.0
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cpe:2.3:a:shopify:react-router:7.12.0
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cpe:2.3:a:shopify:react-router:7.13.0
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cpe:2.3:a:shopify:react-router:7.13.1
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cpe:2.3:a:shopify:react-router:7.2.0
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cpe:2.3:a:shopify:react-router:7.3.0
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cpe:2.3:a:shopify:react-router:7.4.0
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cpe:2.3:a:shopify:react-router:7.4.1
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cpe:2.3:a:shopify:react-router:7.5.0
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cpe:2.3:a:shopify:react-router:7.5.1
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cpe:2.3:a:shopify:react-router:7.5.2
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cpe:2.3:a:shopify:react-router:7.5.3
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cpe:2.3:a:shopify:react-router:7.6.0
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cpe:2.3:a:shopify:react-router:7.6.1
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cpe:2.3:a:shopify:react-router:7.6.2
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cpe:2.3:a:shopify:react-router:7.6.3
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cpe:2.3:a:shopify:react-router:7.7.0
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cpe:2.3:a:shopify:react-router:7.7.1
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cpe:2.3:a:shopify:react-router:7.8.0
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cpe:2.3:a:shopify:react-router:7.8.1
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cpe:2.3:a:shopify:react-router:7.8.2
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cpe:2.3:a:shopify:react-router:7.9.0
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cpe:2.3:a:shopify:react-router:7.9.1
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cpe:2.3:a:shopify:react-router:7.9.2
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cpe:2.3:a:shopify:react-router:7.9.3
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cpe:2.3:a:shopify:react-router:7.9.4
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cpe:2.3:a:shopify:react-router:7.9.5
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cpe:2.3:a:shopify:react-router:7.9.6
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.1
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.2
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.3
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.4
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.5
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.6
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.7
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cpe:2.3:a:turbo-stream:turbo_stream:0.0.8
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cpe:2.3:a:turbo-stream:turbo_stream:1.0.0
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cpe:2.3:a:turbo-stream:turbo_stream:1.0.1
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cpe:2.3:a:turbo-stream:turbo_stream:1.0.2
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cpe:2.3:a:turbo-stream:turbo_stream:1.0.3
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cpe:2.3:a:turbo-stream:turbo_stream:1.0.4
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cpe:2.3:a:turbo-stream:turbo_stream:1.1.0
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cpe:2.3:a:turbo-stream:turbo_stream:1.1.1
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cpe:2.3:a:turbo-stream:turbo_stream:1.2.0
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cpe:2.3:a:turbo-stream:turbo_stream:1.2.1
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cpe:2.3:a:turbo-stream:turbo_stream:2.0.0
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cpe:2.3:a:turbo-stream:turbo_stream:2.0.1
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cpe:2.3:a:turbo-stream:turbo_stream:2.1.0
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cpe:2.3:a:turbo-stream:turbo_stream:2.2.0
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cpe:2.3:a:turbo-stream:turbo_stream:2.2.1
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cpe:2.3:a:turbo-stream:turbo_stream:2.2.2
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cpe:2.3:a:turbo-stream:turbo_stream:2.2.3
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cpe:2.3:a:turbo-stream:turbo_stream:2.3.0
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cpe:2.3:a:turbo-stream:turbo_stream:2.4.0
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cpe:2.3:a:turbo-stream:turbo_stream:2.4.1