VULNERABILITY INTELLIGENCE

CVE-2026-79668

CVSS score5.3 MEDIUM
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-08-25
Last modified2026-08-31
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-306

Primary references