CVE-2026-100677

Summary

stoatchat before 0.15.5 contains an account enumeration vulnerability in the login endpoint that exposes source file locations in error responses. Unauthenticated attackers can distinguish between registered and unregistered email addresses by comparing error location fields returned from POST /api/auth/session/login requests.

Affected Software

VendorProductVersion RangeStatus
stoatchatstoatchat0 < 0.15.5affected
stoatchatstoatchat0.15.5unaffected

Weaknesses

  • CWE-209: Generation of Error Message Containing Sensitive Information

References