Ech0 before 4.4.3 Authentication Bypass via Comment Panel

Advisories

Ech0 before 4.4.3 Authentication Bypass via Comment Panel

severity: medium
date: 8/25/2026
Affecting: Ech0 >= 0, < 4.4.3
CVE: CVE-2026-79672
CWE: CWE-862 Missing Authorization
CVSS: 7.0
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
References: GitHub Security Advisory (GHSA-fwg7-53p4-g33c)
Credit: offset
Description: Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment system settings by directly accessing the unprotected panel endpoints.

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