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-2026-79670 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...

EUVD-2026-65445

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...

EUVD-2026-65446

Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the favcount...

CVE-2026-79668

Ech0 versions before 4.7.3 contain an authentication bypass in the PUT /api/echo/like/:id endpoint. The endpoint lacks both identity verification and rate limiting, allowing unauthenticated attackers to repeatedly increment the fav_count field for any known echo identifier. This can arbitrarily i...

CVE-2026-79669

Ech0 versions before 4.4.3 lack authorization checks on system log endpoints, allowing any authenticated non-admin user to read and stream all server logs. The vulnerable endpoints are GET /api/system/logs , GET /api/system/logs/stream , and WS /ws/system/logs . An attacker can gather reconnaissa...

CVE-2026-79668 Ech0 before 4.7.3 Unauthenticated Like Endpoint Metric Inflation

Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the favcount...

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-2026-79668 Ech0 before 4.7.3 Unauthenticated Like Endpoint Metric Inflation

Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the favcount...

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-2026-79668

Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the favcount...

CVE-2026-79668 Ech0 before 4.7.3 Unauthenticated Like Endpoint Metric Inflation

Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the favcount...

CVE-2026-79669

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 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...

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 versions 4.3.4 and earlier fail to enforce scoped access token (least-privilege) restrictions on several privileged admin routes. Endpoints such as /api/inbox, /api/panel/comments, and /api/backup/export authorize based only on the user's admin role, omitting scope checks. The backup export ...