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...

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...

CVE-2026-55640

Nextcloud MCP Server prior to 0.117.2 contains an authentication bypass in the POST /webhooks/nextcloud endpoint. The WEBHOOK_SECRET defaults to None and startup validation does not enforce it, allowing unauthenticated requests to handle_nextcloud_webhook(). The payload["user"]["uid"] field is at...

CVE-2026-55581 mcp-shell: Secure Mode Allowlist Bypass via Default `/bin/bash` Executable

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, the default Docker security.yaml includes /bin/bash in allowedexecutables, while security.go validates only the first token and checkBlockedPatternsAndCommands does not reject the shell...

cve-2022-36804

CVE-2022-36804 Bitbucket PoC Questo repository contiene uno script di exploit in Python per la vulnerabilità CVE-2022-36804 di Atlassian Bitbucket Server/Data Center. Il problema è una falla di command injection nel flusso dell'archivio Git, in cui parametri prefix appositamente costruiti possono...

CVE-2025-55182

Next.js React Server Components RCE-Exploit Nutzt CVE-2025-55182 für Remote-Codeausführung RCE durch Prototype Pollution aus. Installation root@kitploit: uv sync Verwendung Befehlsausführung root@kitploit: source .venv/bin/activate python3 exploit.py -u https://example.com -c "id" Reverse Shell...

Important: Red Hat Security Advisory: Red Hat AI Inference Server Model Optimization Tools 3.3.6 (CUDA)

Red Hat AI Inference Server Model Optimization Tools 3.3.6 CUDA is now available. Red Hat® AI Inference Server Model Optimization Tools...

PraisonAI has a Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)

Summary praisonai/browser/server.py validates incoming WebSocket connections using a Chrome extension Origin check. The regex chrome-extension://a-z0-932 is applied with re.match, which only anchors at the start of the string, not the end. Any Origin header with more than 32 alphanumeric characte...

CVE-2026-55536

PraisonAI , a multi-agent teams system, contains a patch bypass (of CVE-2026-40289) in its Browser Server _handle_connection() method. The origin validation uses re.match() with the unanchored pattern chrome-extension://[a-z0-9]{32}, so extra trailing characters are ignored, allowing an attacker ...

CVE-2024-50964

MX Server Fehlkonfiguration CVE-2024-50964 Beschreibung Eine kritische Schwachstelle wurde in Ferozo Webmail v1.1 identifiziert, bei der der MX Mail Exchange-Server von DonWeb konfigurierte DMARC Domain-based Message Authentication, Reporting, and Conformance-Richtlinien vollständig ignoriert...

EUVD-2026-65544

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, MCP HTTP Stream validateorigin uses requestorigin.startswithallowed, allowing the attacker-controlled localhost.attacker.com HTTP origin to satisfy the localhost allowlist. A webpage can send Content-Type: text/plain requests...

CVE-2026-55532 PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, MCP HTTP Stream validateorigin uses requestorigin.startswithallowed, allowing the attacker-controlled localhost.attacker.com HTTP origin to satisfy the localhost allowlist. A webpage can send Content-Type: text/plain requests...

CVE-2026-55532 PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, MCP HTTP Stream validateorigin uses requestorigin.startswithallowed, allowing the attacker-controlled localhost.attacker.com HTTP origin to satisfy the localhost allowlist. A webpage can send Content-Type: text/plain requests...

CVE-2026-55532

PraisonAI is a multi-agent teams system. Prior to version 4.6.58 , the MCP HTTP Stream _validate_origin function uses request_origin.startswith(allowed), which allows an attacker-controlled origin such as localhost.attacker.com to satisfy a localhost allowlist entry. This enables an unauthenticat...

CVE-2026-55533

PraisonAI is a multi-agent teams system. Prior to version 4.6.58 , the create_auth_middleware() function in the Recipe server exhibits a fail-open behavior: when auth=api-key is configured but the PRAISONAI_API_KEY environment variable is unset, or when JWT authentication is configured but PRAISO...

CVE-2026-55533 PraisonAI: Authentication fail-open in Recipe server allows unauthenticated access when API key or JWT auth is configured without a secret

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, createauthmiddleware allows requests when auth=api-key lacks PRAISONAIAPIKEY or JWT authentication lacks PRAISONAIJWTSECRET. An externally bound Recipe server can therefore accept unauthenticated POST /v1/recipes/run requests...

CVE-2026-55533 PraisonAI: Authentication fail-open in Recipe server allows unauthenticated access when API key or JWT auth is configured without a secret

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, createauthmiddleware allows requests when auth=api-key lacks PRAISONAIAPIKEY or JWT authentication lacks PRAISONAIJWTSECRET. An externally bound Recipe server can therefore accept unauthenticated POST /v1/recipes/run requests...