{"cve":"CVE-2026-79666","nvd":{"published":"2026-08-25T12:16:34.670","modified":"2026-08-31T20:50:15.927","status":"Deferred","description":"Ech0 before 4.4.3 fails to enforce administrator authorization on dashboard log endpoints, allowing any authenticated user to access system logs. Attackers with valid user sessions can query GET /api/system/logs and subscribe to SSE and WebSocket log streams to retrieve sensitive operational data including file paths, stack traces, and internal URLs.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-862"],"references":["https://github.com/lin-snow/Ech0/security/advisories/GHSA-cp79-9mwr-wr49","https://www.vulncheck.com/advisories/ech0-before-missing-authorization-via-dashboard-log-endpoints","https://github.com/lin-snow/Ech0/security/advisories/GHSA-cp79-9mwr-wr49"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:50:17.453294893+00:00"},"epss":{"cve":"CVE-2026-79666","score":0.00385,"percentile":0.32555,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-cp79-9mwr-wr49","url":"https://osv.dev/vulnerability/GHSA-cp79-9mwr-wr49","summary":"Ech0: Missing authorization on dashboard log endpoints allows low-privilege users to access sensitive system logs","modified":"2026-08-27T04:10:27.932583570Z","packages":[{"ecosystem":"Go","name":"github.com/lin-snow/ech0","purl":"pkg:golang/github.com/lin-snow/ech0","ranges":["<4.3.5"],"fixed":["4.3.5"]}]},{"id":"GO-2026-5328","url":"https://osv.dev/vulnerability/GO-2026-5328","summary":"Ech0: Missing authorization on dashboard log endpoints allows low-privilege users to access sensitive system logs in github.com/lin-snow/ech0","modified":"2026-08-27T04:10:27.932583570Z","packages":[{"ecosystem":"Go","name":"github.com/lin-snow/ech0","purl":"pkg:golang/github.com/lin-snow/ech0","ranges":["all versions"],"fixed":[]}]}],"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."]}