CVE-2026-79671 Ech0 before 4.4.3 SSRF via DNS Resolution Bypass

Ech0 before 4.4.3 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

CVE-2026-79671

Ech0 versions through 4.2.1 contain a server-side request forgery (SSRF) vulnerability in the validateWebhookURL function (webhook_setting_service.go). The validation only rejects literal IP addresses via net.ParseIP() but fails to reject hostnames that DNS-resolve to private or internal addresse...

EUVD-2026-65442

Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment...

EUVD-2026-65443

Ech0 through 4.2.1 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

CVE-2026-79671 Ech0 before 4.4.3 SSRF via DNS Resolution Bypass

Ech0 before 4.4.3 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

CVE-2026-79671 Ech0 before 4.4.3 SSRF via DNS Resolution Bypass

Ech0 before 4.4.3 contains a server-side request forgery vulnerability in the validateWebhookURL function webhooksettingservice.go, which only validates literal IP addresses via net.ParseIP and fails to reject hostnames that DNS-resolve to private or internal IPs e.g., 169.254.169.254.nip.io. An...

CVE-2026-79670 Ech0 before 4.4.3 Stored XSS via SVG Upload

Ech0 before 4.4.3 contains a stored cross-site scripting vulnerability in the file upload endpoint that validates Content-Type using only client-supplied headers without server-side inspection. Attackers with admin privileges can upload SVG or HTML files containing JavaScript that executes in the...

CVE-2026-79669 Ech0 before 4.4.3 Missing Authorization on System Logs

Ech0 before 4.4.3 lacks authorization checks on system log endpoints allowing any authenticated non-admin user to read and stream all server logs. Attackers can access historical logs and real-time log streams via GET /api/system/logs, GET /api/system/logs/stream, and WS /ws/system/logs to gather...

CVE-2026-79669 Ech0 before 4.4.3 Missing Authorization on System Logs

Ech0 before 4.4.3 lacks authorization checks on system log endpoints allowing any authenticated non-admin user to read and stream all server logs. Attackers can access historical logs and real-time log streams via GET /api/system/logs, GET /api/system/logs/stream, and WS /ws/system/logs to gather...

CVE-2026-79667 Ech0 before 4.4.3 Authentication Bypass via Scope Enforcement

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...

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 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...

EUVD-2026-65447

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...

CVE-2026-79667 Ech0 before 4.4.3 Authentication Bypass via Scope Enforcement

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...

CVE-2026-79667 Ech0 before 4.4.3 Authentication Bypass via Scope Enforcement

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...

CVE-2026-79665 Ech0 before 4.5.1 Authorization Bypass via Session Tokens

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket...

CVE-2026-79665

Ech0 before 4.5.1 is affected by an authorization bypass vulnerability. The root cause is that session tokens skip scope validation in the RequireScopes middleware , enabling logged-in non-admin users to access admin endpoints. An attacker with a valid low-privilege session token can read system ...

CVE-2026-79665 Ech0 before 4.5.1 Authorization Bypass via Session Tokens

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket...

CVE-2026-79665 Ech0 before 4.5.1 Authorization Bypass via Session Tokens

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket...

CVE-2026-79665

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket...

EUVD-2026-65449

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket...