medium5.3
CVE-2026-79660
Ech0 versions before 4.7.3 expose guest commenter email addresses through public API endpoints due to improper JSON serialization tags on the Comment model.
Impact
Ech0 versions before 4.7.3 expose guest commenter email addresses through public API endpoints due to improper JSON serialization tags on the Comment model. Unauthenticated attackers can harvest all commenter emails by calling the /api/comments and /api/comments/public endpoints without authentication.
Affected products
| Product | Affected versions |
|---|---|
| Ech0 | before 4.7.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.