What is CVE-2026-79660?

CVE-2026-79660 is a medium-severity vulnerability in Lin-Snow Ech0, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-25.

How severe is CVE-2026-79660?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Lin-Snow Ech0

CVE-2026-79660

Ech0 versions before 4.7.3 expose guest commenter email addresses through public API endpoints due to improper JSON serialization tags on the Comment model. Unauthenticated attackers can harvest all commenter emails by calling the /api/comments and /api/comments/public endpoints without authentication.

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Lin-snow Ech0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-79660?: CVE-2026-79660 is a medium-severity vulnerability in Lin-Snow Ech0, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-25.
How severe is CVE-2026-79660?: Medium severity. CVSS v3 base score is 5.3 out of 10.