EUVD-2026-88032

Obot versions before v0.23.0 fail to enforce authentication on MCP Registry endpoints under /v0.1/ when registry authentication is enabled. Unauthenticated attackers can read registry metadata including server names, descriptions, repository URLs, and connect URLs by sending GET requests to...

GHSA-JGH3-FGGC-MCPM Obot: Server-Side Request Forgery via remote MCP server URL

Summary In affected versions, the URL of a remote MCP server is attacker-controlled at registration and is fetched server-side with no validation of the destination. There is no guard against loopback, link-local, RFC1918 private ranges, or the cloud metadata endpoint 169.254.169.254, so a use wi...

GHSA-PR6H-VR44-XQ8J Obot: MCP Registry API readable without authentication

Summary In affected versions, enabling registry authentication OBOTSERVERENABLEREGISTRYAUTH=true does not actually protect the MCP Registry endpoints under /v0.1/ — they remain readable by unauthenticated callers. Am I affected? You are affected if you run Obot = v0.22.1 with...

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...

GO-2026-5678 Obot has an authorization bypass in /mcp-connect/{id} that allows any authenticated user to use any registered MCP server in github.com/obot-platform/obot

Obot has an authorization bypass in /mcp-connect/id that allows any authenticated user to use any registered MCP server in github.com/obot-platform/obot...

GHSA-VW82-7FV8-R6GP Obot has an authorization bypass in /mcp-connect/{id} that allows any authenticated user to use any registered MCP server

Summary If you have the MCP Server ID, you can connect to the MCP server even if you don't have permissions to the server. The MCP gateway endpoint /mcp-connect/mcpid does not enforce Access Control Rules ACRs. Any authenticated Obot user who possesses an MCP Server ID can connect to that server...