The vulnerability of the OAuth authentication component for web applications based on the Starlette library, provided by the Authlib library for OAuth servers and OpenID Connect, allows a hacker to perform a CSRF attack.

The vulnerability of the OAuth authentication component for web applications based on the Starlette library, provided by the Authlib library for OAuth and OpenID Connect servers, is related to the manipulation of cross-site requests. Exploiting this vulnerability could allow a malicious actor to...

CVE-2026-61687: Improper Authentication

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, ValidateOAuthState clears the oauthstate session value to an empty string after a successful OAuth callback and later accepts an empty state parameter as equal, allowing an...

OESA-2026-3974 rest security update

This library has been designed to make it easier to access web services that claim to be "RESTful". It comprises of two parts: the first aims to make it easier to make requests by providing a wrapper around libsoup, the second aids with XML parsing by wrapping libxml2. Security Fixes: A flaw was...

OESA-2026-3975 rest security update

This library has been designed to make it easier to access web services that claim to be "RESTful". It comprises of two parts: the first aims to make it easier to make requests by providing a wrapper around libsoup, the second aids with XML parsing by wrapping libxml2. Security Fixes: A flaw was...

CVE-2026-92965 TikTok 1.2.0 - 1.4.1 - Unauthenticated OAuth Code Redemption

The TikTok WordPress plugin before 1.4.2 does not check that a request is authorised before acting on a sign-in code supplied in the URL, so any visitor can make the site redeem a code of their choosing against the advertising platform, using the site's own credentials. It matches that code...

CVE-2026-92965 TikTok 1.2.0 - 1.4.1 - Unauthenticated OAuth Code Redemption

The TikTok WordPress plugin before 1.4.2 does not check that a request is authorised before acting on a sign-in code supplied in the URL, so any visitor can make the site redeem a code of their choosing against the advertising platform, using the site's own credentials. It matches that code...

CVE-2026-92965

The TikTok WordPress plugin versions 1.2.0 through 1.4.1 is vulnerable to unauthenticated OAuth code redemption . The root cause is a failure to verify request authorization when processing a sign-in code provided in the URL. This allows any visitor to force the site to redeem an arbitrary code a...

CVE-2026-93960

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from...

CVE-2026-93960 Pixelfed OAuth Scope ApiV1Controller.php instancePeers missing authentication

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from...

CVE-2026-93960 Pixelfed OAuth Scope ApiV1Controller.php instancePeers missing authentication

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from...

EUVD-2026-83647

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from...

CVE-2026-93960 Pixelfed OAuth Scope ApiV1Controller.php instancePeers missing authentication

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from...

CVE-2026-93960

A vulnerability in Pixelfed (up to version 0.12.11 ) affects the OAuth Scope Handler component, specifically the instancePeers function in app/Http/Controllers/Api/ApiV1Controller.php. Manipulation of the ID argument leads to missing authentication , enabling a remote attacker with low privileges...

PT-2026-95907

Name of the Vulnerable Software and Affected Versions Pixelfed versions prior to 0.12.10 Description An issue exists in the OAuth Scope Handler component within the instancePeers function of the app/Http/Controllers/Api/ApiV1Controller.php file. Remote manipulation of the ID argument can lead to...

CVE-2026-93960: Missing Authentication for Critical Function

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from...

GHSA-XWMW-PRC4-V3CR Obot: OAuth Dynamic Client Registration Enables API Token Theft via Audience Confusion

Summary In affected versions, an unauthenticated attacker could register an OAuth client with an arbitrary external redirect URI, and the authorization flow would auto-complete without a consent screen. If a logged-in victim visited a crafted authorization URL, an authorization code was delivered...

CVE-2026-72888

A flaw was found in Net::OAuth for Perl. A remote attacker can exploit an unbounded caching mechanism in the smartrequire function to cause memory exhaustion. This occurs because the smartrequire function stores results, including failed module loads, in a process-global hash without any size lim...

n8n Node.js Package 2.0.x < 2.37.7 / 2.38.x < 2.38.2 Persistent Storage Exhaustion (CVE-2026-86075)

The version of the n8n Node.js Package installed on the remote host is 2.0.x prior to 2.37.7, or is 2.38.x prior to 2.38.2. It is, therefore, affected by a denial of service vulnerability: - n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the OAuth Dynamic Client...

PT-2026-99708

Name of the Vulnerable Software and Affected Versions Obot versions prior to 0.23.0 Description When running with OBOT SERVER ENABLE AUTHENTICATION=true, the software exposes OAuth dynamic client registration without authentication and without restrictions on redirect URIs. This allows an...

CVE-2026-54618

Obsidian Web MCP is a secure remote MCP server for Obsidian vaults. Prior to 0.2.0, /oauth/authorize issues an authorization code without a login, consent, or session check, and /oauth/token can exchange that code for the static VAULTMCPTOKEN without authenticating a client. An unauthenticated...