Vulnerability DatabaseCVE-2026-79660
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CVE-2026-79660
Published:August 25, 2026
Updated:September 24, 2026
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.
Affected Packages
https://github.com/lin-snow/Ech0.git (GITHUB):
Affected version(s) >=v1.0.0 <v4.7.3
Fix Suggestion:
Update to version v4.7.3
Related Resources (6)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79660.json
https://github.com/lin-snow/Ech0/security/advisories/GHSA-rj4g-rqgh-rx9h
https://github.com/lin-snow/Ech0
https://nvd.nist.gov/vuln/detail/CVE-2026-79660
https://www.vulncheck.com/advisories/ech0-before-email-disclosure-via-public-api
https://github.com/lin-snow/Ech0/commit/cb8d7a997dd8f573ef0e22e4e6b23b2b8ee92ebd
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
EPSS
Base Score:
0.24