CVE-2026-79660

EUVD-2026-65454
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/lin-snow/Ech0/security/advisories/GHSA-rj4g-rqgh-rx9h
https://www.vulncheck.com/advisories/ech0-before-email-disclosure-via-public-api
https://github.com/lin-snow/Ech0/security/advisories/GHSA-rj4g-rqgh-rx9h