GO-2026-5431 Ech0 Scope Bypass: profile:read Access Token Can Change Admin Password and Escalate to Unrestricted Session in github.com/lin-snow/ech0

Ech0 Scope Bypass: profile:read Access Token Can Change Admin Password and Escalate to Unrestricted Session in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

GO-2026-5382 Ech0 Comment Panel Endpoints Missing RequireScopes Middleware — Scoped Access Token Bypass in github.com/lin-snow/ech0

Ech0 Comment Panel Endpoints Missing RequireScopes Middleware — Scoped Access Token Bypass in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive...

GO-2026-5375 ech0's acess tokens with expiry=never cannot be revoked: logout panics, delete does not blacklist JTI in github.com/lin-snow/ech0

ech0's acess tokens with expiry=never cannot be revoked: logout panics, delete does not blacklist JTI in github.com/lin-snow/ech0...

GO-2026-5328 Ech0: Missing authorization on dashboard log endpoints allows low-privilege users to access sensitive system logs in github.com/lin-snow/ech0

Ech0: Missing authorization on dashboard log endpoints allows low-privilege users to access sensitive system logs in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is...

GO-2026-5259 Ech0 has Server-Side Request Forgery (SSRF) via Connect Handler fetchPeerConnectInfo in github.com/lin-snow/ech0

Ech0 has Server-Side Request Forgery SSRF via Connect Handler fetchPeerConnectInfo in github.com/lin-snow/ech0...

GO-2026-5123 Ech0: Scoped admin access tokens can bypass least-privilege controls on privileged endpoints, including backup export in github.com/lin-snow/ech0

Ech0: Scoped admin access tokens can bypass least-privilege controls on privileged endpoints, including backup export in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this ...

GO-2026-5100 Ech0's RSS feed renders unescaped tag names and raw-HTML markdown, stored XSS against subscribers in github.com/lin-snow/ech0

Ech0's RSS feed renders unescaped tag names and raw-HTML markdown, stored XSS against subscribers in github.com/lin-snow/ech0...

Exploit for Server-Side Request Forgery in Ech0

CVE-2026-35037 Ech0 SSRF Lab This repository contains a local...

Improper Handling of Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Handling of Exceptional Conditions in the token revocation process. An attacker can maintain unauthorized access by using a stolen access token that was issued with no expiration, as the token cannot be invalidated through...

Improper Use of Validation Framework

Overview Affected versions of this package are vulnerable to Improper Use of Validation Framework in the parseAndValidateClientRedirect process. An attacker can obtain OAuth exchange codes intended for other users by crafting a redirecturi that matches an allowed scheme and host but specifies a...

Arbitrary File Upload

Overview Affected versions of this package are vulnerable to Arbitrary File Upload via the file upload. An administrator can execute arbitrary JavaScript in the context of the application by uploading a crafted SVG or HTML file containing malicious scripts, which are then served to users without...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the validateWebhookURL function. An administrator can access internal network resources and cloud metadata endpoints by submitting webhook URLs that use hostnames resolving to private IP addresses,...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the validateWebhookURL function. An administrator can access internal network resources and cloud metadata endpoints by submitting webhook URLs that use hostnames resolving to private IP addresses,...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the dashboard log endpoints. An attacker can access sensitive operational log data by sending authenticated requests to the log endpoints without requiring elevated privileges. Remediation Upgrade...

CVE-2026-35037

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, the GET /api/website/title endpoint accepts an arbitrary URL via the websiteurl query parameter and makes a server-side HTTP request to it without any validation of the target host or IP address. Th...

CVE-2026-35037

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, the GET /api/website/title endpoint accepts an arbitrary URL via the websiteurl query parameter and makes a server-side HTTP request to it without any validation of the target host or IP address. Th...

CVE-2026-35036

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, Ech0 implements link preview editor fetches a page title through GET /api/website/title. That is legitimate product behavior, but the implementation is unsafe: the route is unauthenticated, accepts ...

CVE-2026-35037

Ech0 (GetWebsiteTitle endpoint) is affected by an unauthenticated SSRF vulnerability (CVE-2026-35037) prior to version 4.2.8. The GET /api/website/title endpoint accepts a user-supplied website_url, makes a server-side HTTP request without validating the target, and returns the HTML title content...

CVE-2026-35037 Ech0 affected by unauthenticated SSRF in GetWebsiteTitle allows access to internal services and cloud metadata

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, the GET /api/website/title endpoint accepts an arbitrary URL via the websiteurl query parameter and makes a server-side HTTP request to it without any validation of the target host or IP address. Th...

CVE-2026-35037 Ech0 affected by unauthenticated SSRF in GetWebsiteTitle allows access to internal services and cloud metadata

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, the GET /api/website/title endpoint accepts an arbitrary URL via the websiteurl query parameter and makes a server-side HTTP request to it without any validation of the target host or IP address. Th...