CVE-2026-55640

Nextcloud MCP Server is a production-ready MCP server that connects AI assistants to a Nextcloud instance. Prior to 0.117.2, the POST /webhooks/nextcloud endpoint in nextcloudmcpserver/vector/webhookreceiver.py has no authentication by default because WEBHOOKSECRET defaults to None and startup...

nextcloud-mcp-server: Unauthenticated `POST /webhooks/nextcloud` allows arbitrary vector data deletion when `WEBHOOK_SECRET` is unset ( default )

Summary The POST /webhooks/nextcloud endpoint has no authentication by default: WEBHOOKSECRET defaults to None and is never required by startup validation. When unset, the receiver accepts any unauthenticated POST. The userid is taken directly from the attacker-supplied payload and passed to...

CVE-2026-55640 Nextcloud MCP Server: Unauthenticated `POST /webhooks/nextcloud` allows arbitrary vector data deletion when `WEBHOOK_SECRET` is unset ( default )

Nextcloud MCP Server is a production-ready MCP server that connects AI assistants to a Nextcloud instance. Prior to 0.117.2, the POST /webhooks/nextcloud endpoint in nextcloudmcpserver/vector/webhookreceiver.py has no authentication by default because WEBHOOKSECRET defaults to None and startup...

EUVD-2026-65596

Nextcloud MCP Server is a production-ready MCP server that connects AI assistants to a Nextcloud instance. Prior to 0.117.2, the POST /webhooks/nextcloud endpoint in nextcloudmcpserver/vector/webhookreceiver.py has no authentication by default because WEBHOOKSECRET defaults to None and startup...

PT-2026-81391

Name of the Vulnerable Software and Affected Versions Nextcloud MCP Server versions prior to 0.117.2 Description The POST /webhooks/nextcloud endpoint lacks authentication by default because the WEBHOOK SECRET variable defaults to None and is not required during startup validation. When this secr...

PT-2026-28324

Name of the Vulnerable Software and Affected Versions Spring AI versions 1.0.0 through 1.0.4 and 1.1.0 through 1.1.3 Description Spring AI's SimpleVectorStore component contains a SpEL injection flaw. This occurs when user-provided input is used as a filter expression key. A malicious actor can...

Building intelligent Spring Apps with Azure OpenAI

Note from Josh: Hi, Spring fans! I wanted to cross post this article looking at using Spring and Azure OpenAI from Microsoft's Sean Li because it's interesting: enjoy! Integrating cutting-edge artificial intelligence into apps has become a new trend in today's technological landscape. Spring is t...