CVE-2026-79660

Medium

Description

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductGithub.com/lin-snow/ech0

PublishedAug 25, 2026

First seenAug 25, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Update

github.com/lin-snow/Ech01.4.8-0.20260503034700-cb8d7a997dd8 or later
github.com/lin-snow/ech01.4.8-0.20260503034700-cb8d7a997dd8 or later

Vendor advisories

github.com/lin-snow/Ech0/security/advisories/GHSA-rj4g-rqgh-rx9h

Affected products

Product	Affected versions	Fixed in
github.com/lin-snow/Ech0Go	v < 1.4.8-0.20260503034700-cb8d7a997dd8	1.4.8-0.20260503034700-cb8d7a997dd8
github.com/lin-snow/ech0Go	v < 1.4.8-0.20260503034700-cb8d7a997dd8	1.4.8-0.20260503034700-cb8d7a997dd8

Check your version

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