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CVE-2026-79668 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/lin-snow/Ech0/security/advisories/GHSA-rgj7-vg8v-j4wr	[email protected]
https://www.vulncheck.com/advisories/ech0-before-unauthenticated-like-endpoint-metric-inflation	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

3 change records found show changes

Date	Action	Recorded By
Aug 26, 2026	CVE Modified	[email protected]
Aug 26, 2026	CVE Modified	CISA-ADP
Aug 25, 2026	New CVE Received	[email protected]