HIGH 7.2 NVD
CVE-2026-79667
Ech0 version 4.3.4 and earlier fails to reliably enforce scoped access token (least-privilege) restrictions on several privileged admin routes. Multiple privile
Ech0 version 4.3.4 and earlier fails to reliably enforce scoped access token (least-privilege) restrictions on several privileged admin routes. Multiple privileged endpoints (e.g., /api/inbox, /api/panel/comments, /api/backup/export) omit scope checks and authorize based only on the user's admin role, and the backup export handler discards token scope metadata entirely. An attacker holding a deliberately limited (low-scope) admin access token can reach broader privileged functionality than intended, including reading the inbox and exporting a full database backup ZIP archive. Fixed in 4.4.3.
References
- https://github.com/lin-snow/Ech0/security/advisories/GHSA-4h9q-p5j4-xvvh
- https://www.vulncheck.com/advisories/ech0-before-authentication-bypass-via-scope-enforceme
This high severity vulnerability with a CVSS score of 7.2 was published on 2026-08-25 via NVD.
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