Ech0 < 4.2.8 - Server-Side Request Forgery

Ech0 before 4.2.8 exposes an unauthenticated SSRF vulnerability in GET /api/website/title. The websiteurl query parameter is fetched server-side without validating the target host or IP address. id: CVE-2026-35037 info: name: Ech0 4.2.8 - Server-Side Request Forgery author: fineman999 severity:...

POC_CVE-2026-35037

CVE-2026-35037 Ech0 SSRF प्रयोगशाला यह रिपॉजिटरी CVE-2026-35037 के लिए एक स्थानीय, पृथक पुनरुत्पादन प्रयोगशाला है, जो Ech0 के GET /api/website/title एंडपॉइंट में एक अप्रमाणित SSRF कमजोरी है। प्रयोगशाला क्लाउड मेटाडेटा या तृतीय-पक्ष बुनियादी ढांचे के बजाय एक नियंत्रित स्थानीय साक्ष्य सर्वर का उपयो...

CVE-2026-79671

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-2026-79670

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-2026-79673

Ech0 before 4.4.3 protects the PUT /user endpoint with the profile:read scope, a read-only scope, but allows write operations including password changes. An attacker with an admin's profile:read access token can change the admin's password and login to obtain an unrestricted session token that...

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-2026-79672

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...

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-2026-79666

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...

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-2026-79665

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...

CVE-2026-79664

Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers to maintain perpetual authenticated access after token theft. Three independent revocation mechanisms fail: logout panics on nil ExpiresAt field, RevokeToken skips when remainTTL is zero,...

CVE-2026-79663

Ech0 before 4.7.3 contains a stored cross-site scripting vulnerability in the public RSS feed where tag names and markdown content are rendered without HTML escaping. Attackers with admin privileges can inject malicious tag names or raw HTML in echo content that executes as JavaScript in RSS...

CVE-2026-79662

Ech0 through 4.5.6 contains an OAuth redirect URI validation vulnerability in parseAndValidateClientRedirect internal/service/auth/auth.go that compares only the scheme and host of the client-supplied redirecturi against the admin-configured allowlist, ignoring path, query, and fragment component...

CVE-2026-79660

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...

CVE-2026-79661

Ech0 through 4.5.6 registers the PUT /api/echo/like/:id endpoint on the public router group without authentication or rate limiting. Unauthenticated attackers can increment the favcount counter of any echo including private echoes by supplying its UUID, which can be harvested from the public GET...

CVE-2026-79659

Ech0 before 4.7.3 contains a server-side request forgery vulnerability in the fetchPeerConnectInfo function that uses unvalidated HTTP requests instead of safe request methods with URL validation. Authenticated attackers can supply arbitrary URLs to access internal services and cloud metadata...

CVE-2026-79658

Ech0 before 5.0.1 does not impose any size or shape limit on the Accept-Language header processed by its i18n middleware, which runs on every HTTP request. The header is passed unfiltered to go-i18n's NewLocalizer, which internally calls golang.org/x/text/language.ParseAcceptLanguage. The...

EUVD-2026-65441

Ech0 before 4.4.3 protects the PUT /user endpoint with the profile:read scope, a read-only scope, but allows write operations including password changes. An attacker with an admin's profile:read access token can change the admin's password and login to obtain an unrestricted session token that...

CVE-2026-79673 Ech0 before 4.4.3 Scope Bypass via profile:read Token

Ech0 before 4.4.3 protects the PUT /user endpoint with the profile:read scope, a read-only scope, but allows write operations including password changes. An attacker with an admin's profile:read access token can change the admin's password and login to obtain an unrestricted session token that...