medium5.3
CVE-2026-100677
stoatchat before 0.15.5 contains an account enumeration vulnerability in the login endpoint that exposes source file locations in error responses.
Impact
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 products
| Product | Affected versions |
|---|---|
| Stoatchat | before 0.15.5 |
Versions were read from the advisory text. No structured product data has been published for this record yet.