30 matches found
EUVD-2026-101726
n8n before 2.41.4 and 2.42.x before 2.42.1 contains an uncontrolled resource consumption vulnerability in the unauthenticated OAuth authorize endpoint, which resolves clients by URL path but stores the caller's raw identifier as the record key. Unauthenticated attackers can send identifiers...
CVE-2026-110843
n8n before 2.41.4 and 2.42.x before 2.42.1 contains an uncontrolled resource consumption vulnerability in the unauthenticated OAuth authorize endpoint, which resolves clients by URL path but stores the caller's raw identifier as the record key. Unauthenticated attackers can send identifiers...
CVE-2026-110843 n8n before 2.41.4 and 2.42.1 Unauthenticated Unbounded OAuth Client Persistence via Authorize Endpoint
n8n before 2.41.4 and 2.42.x before 2.42.1 contains an uncontrolled resource consumption vulnerability in the unauthenticated OAuth authorize endpoint, which resolves clients by URL path but stores the caller's raw identifier as the record key. Unauthenticated attackers can send identifiers...
CVE-2026-110843
The n8n workflow automation tool, versions before 2.41.4 and 2.42.x before 2.42.1 , contains an uncontrolled resource consumption vulnerability (CWE-770) in the unauthenticated OAuth authorize endpoint . The root cause is that the endpoint resolves clients via URL path but stores the caller's raw...
CVE-2026-110843 n8n before 2.41.4 and 2.42.1 Unauthenticated Unbounded OAuth Client Persistence via Authorize Endpoint
n8n before 2.41.4 and 2.42.x before 2.42.1 contains an uncontrolled resource consumption vulnerability in the unauthenticated OAuth authorize endpoint, which resolves clients by URL path but stores the caller's raw identifier as the record key. Unauthenticated attackers can send identifiers...
CVE-2026-110843: Allocation of Resources Without Limits or Throttling
n8n before 2.41.4 and 2.42.x before 2.42.1 contains an uncontrolled resource consumption vulnerability in the unauthenticated OAuth authorize endpoint, which resolves clients by URL path but stores the caller's raw identifier as the record key. Unauthenticated attackers can send identifiers...
PT-2026-114157
n8n before 2.41.4 and 2.42.x before 2.42.1 contains an uncontrolled resource consumption vulnerability in the unauthenticated OAuth authorize endpoint, which resolves clients by URL path but stores the caller's raw identifier as the record key. Unauthenticated attackers can send identifiers...
CVE-2026-57458
Vikunja is an open-source self-hosted task management platform. In version 2.3.0, a scoped API token limited to the oauth.authorize permission can call POST /api/v1/oauth/authorize, obtain an OAuth authorization code, and exchange the code at POST /api/v1/oauth/token for a normal bearer JSON Web...
CVE-2026-57458 Vikunja: Scoped API token can mint unrestricted OAuth session credentials
Vikunja is an open-source self-hosted task management platform. In version 2.3.0, a scoped API token limited to the oauth.authorize permission can call POST /api/v1/oauth/authorize, obtain an OAuth authorization code, and exchange the code at POST /api/v1/oauth/token for a normal bearer JSON Web...
CVE-2026-57458 Vikunja: Scoped API token can mint unrestricted OAuth session credentials
Vikunja is an open-source self-hosted task management platform. In version 2.3.0, a scoped API token limited to the oauth.authorize permission can call POST /api/v1/oauth/authorize, obtain an OAuth authorization code, and exchange the code at POST /api/v1/oauth/token for a normal bearer JSON Web...
CVE-2026-57458: Improper Privilege Management
Vikunja is an open-source self-hosted task management platform. In version 2.3.0, a scoped API token limited to the oauth.authorize permission can call POST /api/v1/oauth/authorize, obtain an OAuth authorization code, and exchange the code at POST /api/v1/oauth/token for a normal bearer JSON Web...
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...
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...
PT-2026-95077
Name of the Vulnerable Software and Affected Versions Obsidian Web MCP versions prior to 0.2.0 Description An authentication bypass exists where the '/oauth/authorize' endpoint issues an authorization code without requiring login, consent, or a session check. Subsequently, the '/oauth/token'...
Zabbix 7.4.x < 7.4.3 Arbitrary File Read (ZBX-27282)
The version of Zabbix Server installed on the remote host is affected by a vulnerability. An authenticated Zabbix Super Admin can exploit the oauth.authorize action to read arbitrary files from the webserver leading to potential confidentiality loss. Note that Nessus has not tested for this issue...
CVE-2025-27232
A flaw was found in Zabbix. This vulnerability allows an authenticated Zabbix Super Admin to read arbitrary files from the webserver via exploiting the oauth.authorize action, leading to potential confidentiality loss...
