{"id":"GHSA-9583-h5hc-x8cw","revision":null,"records":[{"revision":"76285396aa924174ab12b91b9c98d0ce","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-61686","aliases":[],"title":"React Router has Path Traversal in File Session Storage","description":"React Router is a router for React. In @react-router/node versions 7.0.0 through 7.9.3, @remix-run/deno prior to version 2.17.2, and @remix-run/node prior to version 2.17.2, if createFileSessionStorage() is being used from @react-router/node (or @remix-run/node/@remix-run/deno in Remix v2) with an unsigned cookie, it is possible for an attacker to cause the session to try to read/write from a location outside the specified session file directory. The success of the attack would depend on the permissions of the web server process to access those files. Read files cannot be returned directly to the attacker. Session file reads would only succeed if the file matched the expected session file format. If the file matched the session file format, the data would be populated into the server side session but not directly returned to the attacker unless the application logic returned specific session information. This issue has been patched in @react-router/node version 7.9.4, @remix-run/deno version 2.17.2, and @remix-run/node version 2.17.2.","state":0,"publishedAt":"2026-01-10T02:41:22.741+00:00","modifiedAt":"2026-07-15T01:25:34.058+00:00","affected":[{"ecosystem":"Vendor product","name":"react-router","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"remix-run\",\n                    \"product\": \"react-router\",\n                    \"versions\": [\n                        {\n                            \"version\": \"@react-router/node >= 7.0.0, < 7.9.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"@remix-run/deno < 2.17.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"@remix-run/node < 2.17.2\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","score":9.1,"severity":"CRITICAL"}],"references":["https://github.com/remix-run/react-router/security/advisories/GHSA-9583-h5hc-x8cw"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-61686","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-61686","identifiers":["CVE-2025-61686"]},"retained":false,"historicalAffected":[]},{"revision":"b7a935440a574ac6868a3248fcfda765","observedAt":"2026-11-13T05:20:30.93+00:00","statement":{"source":"euvd","id":"EUVD-2026-1468","aliases":["CVE-2025-61686","GHSA-9583-h5hc-x8cw"],"title":"React Router is a router for React. 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If the file matched the session file format, the data would be populated into the server side session but not directly returned to the attacker unless the application logic returned specific session information. This issue has been patched in @react-router/node version 7.9.4, @remix-run/deno version 2.17.2, and @remix-run/node version 2.17.2.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","score":9.1,"severity":null}],"references":["https://github.com/remix-run/react-router/security/advisories/GHSA-9583-h5hc-x8cw"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-1468","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jan 10, 2026, 2:41:22 AM","dateUpdated":"Jul 15, 2026, 1:25:34 AM"},"relatedAdvisories":[{"id":"SUSE-SU-2026:4585-1","title":"Security update 5.2.1 for Multi-Linux Manager Client Tools","vulnerabilityIds":["CVE-2023-45289","CVE-2024-22195","CVE-2025-13836","CVE-2025-4673","CVE-2025-61686","CVE-2026-0864","CVE-2026-11940","CVE-2026-11972","CVE-2026-1229","CVE-2026-13346","CVE-2026-14199","CVE-2026-1502","CVE-2026-15308","CVE-2026-1703","CVE-2026-17033","CVE-2026-17183","CVE-2026-19197","CVE-2026-19475","CVE-2026-21723","CVE-2026-2303","CVE-2026-27459","CVE-2026-3219","CVE-2026-3276","CVE-2026-33814","CVE-2026-3446","CVE-2026-3479","CVE-2026-39821","CVE-2026-39882","CVE-2026-40181","CVE-2026-40475","CVE-2026-41066","CVE-2026-41178","CVE-2026-41606","CVE-2026-42127","CVE-2026-42211","CVE-2026-42342","CVE-2026-4360","CVE-2026-44431","CVE-2026-44990","CVE-2026-45409","CVE-2026-4786","CVE-2026-49825","CVE-2026-49853","CVE-2026-49854","CVE-2026-49855","CVE-2026-53606","CVE-2026-56852","CVE-2026-6019","CVE-2026-6100","CVE-2026-6357","CVE-2026-7210","CVE-2026-73501","CVE-2026-7774","CVE-2026-8328","CVE-2026-8595","CVE-2026-8609","CVE-2026-8643","CVE-2026-9029"]},{"id":"SUSE-SU-2026:4606-1","title":"Security update for golang-github-prometheus-prometheus","vulnerabilityIds":["CVE-2023-45289","CVE-2025-4673","CVE-2025-61686","CVE-2026-2303","CVE-2026-39821","CVE-2026-40181","CVE-2026-42211","CVE-2026-42342","CVE-2026-44990","CVE-2026-53606","CVE-2026-56852"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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This issue has been patched in @react-router/node version 7.9.4, @remix-run/deno version 2.17.2, and @remix-run/node version 2.17.2.","state":0,"publishedAt":"2026-01-10T03:15:48.283+00:00","modifiedAt":"2026-07-15T02:17:32.15+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","score":9.1,"severity":"CRITICAL"},{"system":"CVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1,"severity":"CRITICAL"}],"references":["https://github.com/remix-run/react-router/security/advisories/GHSA-9583-h5hc-x8cw","https://access.redhat.com/security/cve/CVE-2025-61686","https://bugzilla.redhat.com/show_bug.cgi?id=2428423","https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61686.json"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-61686","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Modified","weaknesses":["CWE-22"],"productCriteria":["cpe:2.3:a:shopify:react-router\\/node:*:*:*:*:*:node.js:*:*","cpe:2.3:a:shopify:remix-run\\/deno:*:*:*:*:*:node.js:*:*","cpe:2.3:a:shopify:remix-run\\/node:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-01-10T03:15:48.283","lastModified":"2026-07-15T02:17:32.150"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-61686","identifiers":["CVE-2025-61686"]},"retained":false,"historicalAffected":[]},{"revision":"e3a32e8ee1074dfcb505d11b25dc76b5","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-9583-h5hc-x8cw","aliases":["CVE-2025-61686"],"title":"React Router has Path Traversal in File Session Storage","description":"If applications use `createFileSessionStorage()` from `@react-router/node` (or `@remix-run/node`/`@remix-run/deno` in Remix v2) with an [**unsigned cookie**](https://reactrouter.com/explanation/sessions-and-cookies#signing-cookies), it is possible for an attacker to cause the session to try to read/write from a location outside the specified session file directory. The success of the attack would depend on the permissions of the web server process to access those files. \n\nRead files cannot be returned directly to the attacker.  Session file reads would only succeed if the file matched the expected session file format. 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