CVE-2026-63188
CVE-2026-63188 · logto-tunnel serves files outside --experience-path via path traversal
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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 packages/tunnel/src/commands/tunnel/utils.ts using path.join(staticPath, request.url) and then fs.open(requestPath, "r") without URL normalization or a containment check. When --experience-path was enabled and the tunnel port was reachable, an unauthenticated requester could send a path containing ../ to createStaticFileProxy and read files outside the configured static directory that were readable by the logto-tunnel process. The service used server.listen(port), which could expose the tunnel to other hosts depending on the platform and deployment. This issue is fixed in version 0.3.9.
CVSS 8.7 · Hoch · EPSS 0,5% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: node
Betroffene Produkte und Versionen
logto
- Softwareversionen
- < 0.3.9: Betroffen
Keine Korrektur veröffentlicht
@logto/tunnel npm
- Betroffene Versionsbereiche
- SEMVER: < 0.3.9
Auf 0.3.9 aktualisieren
Originalquellen
- https://github.com/logto-io/logto/security/advisories/GHSA-rxjr-6c9q-h67x
- https://github.com/logto-io/logto/pull/9113
- https://github.com/logto-io/logto/commit/5686815955534f803d3d50738259efd0f741e62c
- https://github.com/logto-io/logto/releases/tag/@logto/[email protected]
- https://nvd.nist.gov/vuln/detail/CVE-2026-63188