{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-48020/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-30T03:18:49.489Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-48020","@id":"https://www.cve.org/CVERecord?id=CVE-2026-48020","description":"Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity vulnerability in Traefik's StripPrefix middleware that allows an unauthenticated attacker to bypass route-level authentication and authorization. When a public router matches on a PathPrefix rule and applies the StripPrefix middleware, a request path containing .. or its percent-encoded form %2e%2e can match the public route at routing time and then, after the prefix is stripped and "},"products":[{"@id":"cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-30T03:18:49.489Z"}]}