{"cve":"CVE-2026-56677","nvd":{"published":"2026-08-17T22:17:14.970","modified":"2026-10-23T16:10:00.313","status":"Deferred","description":"9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery() in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing unauthenticated attackers when dashboard login is disabled to scan internal services and reflect OIDC discovery fields including token_endpoint and jwks_uri.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","score":8.6},"cwes":["CWE-306","CWE-918"],"references":["https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx","https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx"],"products":[],"source":"nvd","synced_at":"2026-10-23T16:39:26.291718493+00:00"},"epss":{"cve":"CVE-2026-56677","score":0.00375,"percentile":0.31156,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-8g4w-4ffg-8vgx","url":"https://osv.dev/vulnerability/GHSA-8g4w-4ffg-8vgx","summary":"9Router: Authenticated Server-Side Request Forgery (SSRF) via OIDC Provider Test Endpoint","modified":"2026-08-17T22:11:02.180370Z","packages":[{"ecosystem":"npm","name":"9router","purl":"pkg:npm/9router","ranges":["<=0.5.4"],"fixed":[]}]}],"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."]}