What is CVE-2026-79672?

CVE-2026-79672 is a medium-severity vulnerability in Lin-Snow Ech0, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-08-25.

How severe is CVE-2026-79672?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Lin-Snow Ech0

CVE-2026-79672

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.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N.

Affected products

Lin-snow Ech0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-79672?: CVE-2026-79672 is a medium-severity vulnerability in Lin-Snow Ech0, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-08-25.
How severe is CVE-2026-79672?: Medium severity. CVSS v3 base score is 5.5 out of 10.