CVE-2026-79660CWE-200information-disclosure

CVE-2026-79660

Medium · published August 25, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00409 · 34.0th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-08-25T16:16Z
References (3)
https://github.com/lin-snow/Ech0/security/advisories/GHSA-rj4g-rqgh-rx9h · [email protected]https://www.vulncheck.com/advisories/ech0-before-email-disclosure-via-public-api · [email protected]https://github.com/lin-snow/Ech0/security/advisories/GHSA-rj4g-rqgh-rx9h · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 27 AUG 06:46Z
    EPSS moved — → 0%
    epss
  • 25 AUG 11:33Z
    Ech0 before 4.7.3 Email Disclosure via Public API
    cvelistv5