{"cve":"CVE-2026-79660","nvd":{"published":"2026-08-25T12:16:29.617","modified":"2026-08-31T20:50:15.927","status":"Deferred","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.","cvss_v4":{"vector":"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","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-200"],"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"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:50:17.453294893+00:00"},"epss":{"cve":"CVE-2026-79660","score":0.00409,"percentile":0.35177,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rj4g-rqgh-rx9h","url":"https://osv.dev/vulnerability/GHSA-rj4g-rqgh-rx9h","summary":"Ech0 comment model's Email field returned on public /api/comments endpoints","modified":"2026-08-27T04:10:42.055987546Z","packages":[{"ecosystem":"Go","name":"github.com/lin-snow/Ech0","purl":"pkg:golang/github.com/lin-snow/Ech0","ranges":["<1.4.8-0.20260503034700-cb8d7a997dd8"],"fixed":["1.4.8-0.20260503034700-cb8d7a997dd8"]}]},{"id":"GO-2026-5626","url":"https://osv.dev/vulnerability/GO-2026-5626","summary":"Ech0 comment model's Email field returned on public /api/comments endpoints in github.com/lin-snow/ech0","modified":"2026-08-27T04:10:42.055987546Z","packages":[{"ecosystem":"Go","name":"github.com/lin-snow/ech0","purl":"pkg:golang/github.com/lin-snow/ech0","ranges":["<1.4.8-0.20260503034700-cb8d7a997dd8"],"fixed":["1.4.8-0.20260503034700-cb8d7a997dd8"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}