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...

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...

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...

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...

CVE-2026-54618 Obsidian Web MCP: Unauthenticated vault access: /oauth/authorize auto-approves without authenticating the user

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...

CVE-2026-54618

Obsidian Web MCP , a remote MCP server for Obsidian vaults, contained an authentication bypass prior to version 0.2.0. The /oauth/authorize endpoint issued an authorization code without any login, consent, or session check, and /oauth/token allowed exchanging that code for the static VAULT_MCP_TO...

CVE-2026-54618 Obsidian Web MCP: Unauthenticated vault access: /oauth/authorize auto-approves without authenticating the user

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...

EUVD-2026-82406

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...

CVE-2026-54618 Obsidian Web MCP: Unauthenticated vault access: /oauth/authorize auto-approves without authenticating the user

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...

EUVD-2026-81898

Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. Prior to 4.3.0, the Steeltoe.Management.Endpoint /actuator/httpexchanges endpoint passes recorded request URIs through MaskedUri, which masks URI user information but does...

CVE-2026-75523: Exposure of Sensitive Information to an Unauthorized Actor

Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. Prior to 4.3.0, the Steeltoe.Management.Endpoint /actuator/httpexchanges endpoint passes recorded request URIs through MaskedUri, which masks URI user information but does...

RMCP: Missing Resource Field Validation in OAuth Protected Resource Metadata Discovery

Summary The rmcp library does not validate the resource parameter in OAuth Protected Resource metadata RFC 9728, allowing a malicious MCP server to redirect OAuth flows to a legitimate authorization server and steal the resulting access tokens. Details RFC 9728 specifies two MUST requirements for...

GHSA-33F5-2C5Q-WGWJ RMCP: Missing Resource Field Validation in OAuth Protected Resource Metadata Discovery

Summary The rmcp library does not validate the resource parameter in OAuth Protected Resource metadata RFC 9728, allowing a malicious MCP server to redirect OAuth flows to a legitimate authorization server and steal the resulting access tokens. Details RFC 9728 specifies two MUST requirements for...