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CVE-2026-79665

Ech0 before 4.5.1 Authorization Bypass via Session Tokens

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.5.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket logs by sending authenticated session tokens to unprotected endpoints.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • lin-snow Ech0

    fixed in 4.5.1

References 2

GitHub · lin-snow/Ech0

vulncheck.com