logto-tunnel serves files outside --experience-path via path traversal

Summary @logto/tunnel serves custom sign-in experience files from the --experience-path directory. When the tunnel service is reachable, a requester can use ../ path segments in a static asset request to read files outside that directory that the CLI process can read. Details The tunnel command...

CVE-2026-63188 logto-tunnel serves files outside --experience-path via path traversal

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 0.3.9, the Logto Tunnel npm package enabled createStaticFileProxy from packages/tunnel/src/commands/tunnel/index.ts and passed request.url from static asset requests through...

CVE-2026-63188

CVE-2026-63188 is a path traversal vulnerability in the @logto/tunnel npm package (part of Logto, an open-source auth infrastructure) affecting versions prior to 0.3.9 . When the --experience-path option is enabled, the createStaticFileProxy function passes request.url directly into path.join(sta...