MEDIUM 6.9 NVD
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 enga
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.
References
- https://github.com/lin-snow/Ech0/security/advisories/GHSA-rgj7-vg8v-j4wr
- https://www.vulncheck.com/advisories/ech0-before-unauthenticated-like-endpoint-metric-infl
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-08-25 via NVD.
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