medium5.3
CVE-2026-79668
Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment eng…
Impact
Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the fav_count field for any known echo identifier, compromising the integrity of engagement metrics and social ranking systems.
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.