CVE-2026-79668
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| lin-snow | Ech0 | 0 < 4.7.3 | affected |
| lin-snow | Ech0 | 4.7.3 | unaffected |
Weaknesses
- CWE-306: Missing Authentication for Critical Function
References
- https://github.com/lin-snow/Ech0/security/advisories/GHSA-rgj7-vg8v-j4wr
- https://www.vulncheck.com/advisories/ech0-before-unauthenticated-like-endpoint-metric-inflation
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.