{"cve":"CVE-2026-56679","nvd":{"published":"2026-07-15T21:16:55.560","modified":"2026-10-24T21:10:00.130","status":"Deferred","description":"9Router is an AI router & token saver. Prior to 0.5.4, the PATCH /api/settings endpoint writes the entire request body to persistent settings without a field whitelist, allowing an authenticated user to set security-critical fields such as requireLogin and disable authentication for the whole application, exposing protected routes such as /api/keys and /api/providers to unauthenticated access. This issue is reported as fixed in version 0.5.4.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":null,"cwes":["CWE-915"],"references":["https://github.com/decolua/9router/security/advisories/GHSA-vmjq-hvgq-2wv4","https://github.com/decolua/9router/security/advisories/GHSA-vmjq-hvgq-2wv4"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-56679","score":0.00401,"percentile":0.34105,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-vmjq-hvgq-2wv4","url":"https://osv.dev/vulnerability/GHSA-vmjq-hvgq-2wv4","summary":"9router: Mass assignment in PATCH /api/settings allows authenticated authorization downgrade","modified":"2026-09-23T18:27:57.574622900Z","packages":[{"ecosystem":"npm","name":"9router","purl":"pkg:npm/9router","ranges":["<0.5.4"],"fixed":["0.5.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}