PT-2026-33886

Summary Ech0 scoped access tokens do not reliably enforce least privilege: multiple privileged admin routes omit scope checks, and the backup export handler strips token scope metadata entirely, allowing a low-scope admin access token to reach broader admin functionality than intended. Impact An...

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 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 (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-2026-35036

Ech0 is vulnerable to an unauthenticated server-side request forgery (SSRF) via GET /api/website/title. The endpoint accepts a fully attacker-controlled URL and performs a server-side HTTP(S) fetch from the Ech0 instance, reading the entire response into memory. No host allowlist or SSRF filterin...

CVE-2026-35036 Ech0 Affected by Unauthenticated Server-Side Request Forgery in Website Preview Feature

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-2026-35036 Ech0 Affected by Unauthenticated Server-Side Request Forgery in Website Preview Feature

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-2026-35036 Ech0 Affected by Unauthenticated Server-Side Request Forgery in Website Preview Feature

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-2026-35036: Server-Side Request Forgery (SSRF)

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 ...

Ech0 代码问题漏洞

Ech0 is a self-hosted personal microblogging platform developed by L1nSn0w. Versions of Ech0 prior to 4.2.8 had code vulnerabilities. These vulnerabilities stemmed from the use of the GET /api/website/title route for link previews. This route lacked authentication and accepted URLs that could be...

CVE-2026-35037: Server-Side Request Forgery (SSRF)

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...

Ech0 代码问题漏洞

Ech0 is a self-hosted personal microblogging platform developed by L1nSn0w. Versions of Ech0 prior to 4.2.8 had code vulnerabilities. These vulnerabilities stemmed from the GET /api/website/title endpoint, which made server-side HTTP requests to arbitrary URLs without verification. This could all...

CVE-2026-33638

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, GET /api/allusers is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user profile metadata. ...

SUSE CVE-2026-33638

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, GET /api/allusers is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user profile metadata. ...

CVE-2026-33638 Ech0 authenticated user-list exposed data via public `/api/allusers` endpoint

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, GET /api/allusers is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user profile metadata. ...

CVE-2026-33638

CVE-2026-33638 (Ech0) : Prior to version 4.2.0, the public endpoint GET /api/allusers exposes user records without authentication, enabling remote unauthenticated user enumeration and exposure of user profile metadata. The issue is in the internal/router handling of /api/allusers. A fix is availa...

CVE-2026-33638 Ech0 authenticated user-list exposed data via public `/api/allusers` endpoint

Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to version 4.2.0, GET /api/allusers is mounted as a public endpoint and returns user records without authentication. This allows remote unauthenticated user enumeration and exposure of user profile metadata. ...