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CVE-2026-22030

React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, React Router (or Remix v2) is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when using React Server Actions in the new unstable RSC modes. There is no impact if Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>) is being used. This issue has been p
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9aa9f1796bed00153a071dce9a56a4a3d99dc329a8ba7da07f89a9c87ed574f5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4a4904a854c75aa6c8fb975fb36e4c4eb2378e80e30831c28389e72ba8113590 · sha256:0dac10a6f5532363… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4a4904a854c75aa6c8fb975fb36e4c4eb2378e80e30831c28389e72ba8113590 · sha256:0dac10a6f5532363… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"react-router","vendor":"remix-run","versions":[{"status":"affected","version":"@remix-run/router < 2.17.3"},{"status":"affected","version":"react-router >= 7.0.0, < 7.12.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4904a854c75aa6c8fb975fb36e4c4eb2378e80e30831c28389e72ba8113590 · sha256:0dac10a6f5532363… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4a4904a854c75aa6c8fb975fb36e4c4eb2378e80e30831c28389e72ba8113590 · sha256:0dac10a6f5532363… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4a4904a854c75aa6c8fb975fb36e4c4eb2378e80e30831c28389e72ba8113590 · sha256:0dac10a6f5532363… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4a4904a854c75aa6c8fb975fb36e4c4eb2378e80e30831c28389e72ba8113590 · sha256:0dac10a6f5532363… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4a4904a854c75aa6c8fb975fb36e4c4eb2378e80e30831c28389e72ba8113590 · sha256:0dac10a6f5532363… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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