CVE-2026-45019 Chainlit: SSRF via MCP SSE and streamable-http transports allows unauthenticated internal network access

Chainlit is a Python framework for building production-ready conversational AI applications. From 2.4.0rc0 until 2.12.0, Chainlit deployments with features.mcp.enabled set to true in .chainlit/config.toml expose the POST /mcp endpoint without requiring authentication. For sse and streamable-http...

GHSA-72F3-6W86-7RV3 @arikusi/deepseek-mcp-server: Missing Authentication on Self-Hosted HTTP MCP Endpoint

Summary The self-hosted HTTP transport of @arikusi/deepseek-mcp-server exposes POST /mcp without any authentication: createMcpExpressApp is called without an authProvider and no middleware guards the route, so any network-reachable client can issue an unauthenticated initialize request and obtain...

EUVD-2026-42717

@arikusi/deepseek-mcp-server: Missing Authentication on Self-Hosted HTTP MCP Endpoint...

GHSA-CMWV-WF9P-P8WX genieacs-mcp: DNS rebinding reaches local GenieACS MCP Streamable HTTP transport

genieacs-mcp exposes a local Streamable HTTP MCP endpoint that accepts attacker-controlled Host and Origin headers. A malicious web page can use DNS rebinding to route browser requests to a victim's loopback MCP listener while preserving the attacker origin. The server accepts the request,...

CVE-2026-55637 genieacs-mcp: DNS rebinding reaches local GenieACS MCP Streamable HTTP transport

genieacs-mcp is an MCP server for GenieACS written in Go. Prior to 0.3.2, the Streamable HTTP transport in cmd/server/main.go creates an unauthenticated /mcp listener on the default MCPLISTENADDR value 127.0.0.1:8080 when MCPAUTHTOKEN is unset and the httpSrv.Startaddr branch does not validate th...

CVE-2026-55637 genieacs-mcp: DNS rebinding reaches local GenieACS MCP Streamable HTTP transport

genieacs-mcp is an MCP server for GenieACS written in Go. Prior to 0.3.2, the Streamable HTTP transport in cmd/server/main.go creates an unauthenticated /mcp listener on the default MCPLISTENADDR value 127.0.0.1:8080 when MCPAUTHTOKEN is unset and the httpSrv.Startaddr branch does not validate th...

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...

CVE-2026-55532

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...

GHSA-XX4J-W367-7247 djust authentication bypass: a login_required / on_mount LiveView mount redirect does not close the WebSocket, allowing an unauthenticated client to dispatch event-handler calls

Impact djust's LiveViewConsumer mounts a LiveView over a WebSocket. When a view is gated loginrequired / permissionrequired, or an onmount hook that returns a redirect and the connecting user is not authorized, the consumer sent the client a "type":"navigate","to":... redirect frame and then...

CVE-2026-55571 djust authentication bypass: a login_required / on_mount LiveView mount redirect does not close the WebSocket, allowing an unauthenticated client to dispatch event-handler calls

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to 1.0.4, LiveViewConsumer.handlemount sends a "type":"navigate","to":... frame when loginrequired, permissionrequired, or a redirecting onmount hook denies a LiveView mount, but...

CVE-2026-55571 djust authentication bypass: a login_required / on_mount LiveView mount redirect does not close the WebSocket, allowing an unauthenticated client to dispatch event-handler calls

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to 1.0.4, LiveViewConsumer.handlemount sends a "type":"navigate","to":... frame when loginrequired, permissionrequired, or a redirecting onmount hook denies a LiveView mount, but...

CVE-2026-55538

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.51, praisonai serve agents parses config"apikey" but createagentsapp does not authenticate POST /agents or POST /agents/agentname. Missing or incorrect bearer and X-API-Key values still reach agent execution. This issue is fixed in...

CVE-2026-55534

PraisonAI is a multi-agent teams system. From praisonai 4.6.34 until 4.6.58, praisonai serve agents accepts --api-key but createagentsapp does not authenticate POST /agents or POST /agents/agentname. A network caller can invoke configured agents without credentials even when an API key was...

CVE-2026-55541

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, praisonai serve agents and praisonai serve unified parse --api-key but createagentsapp and createunifiedapp do not install a credential check. Unauthenticated callers can reach POST /agents and POST /api/v1/agents/id/invoke. This...

CVE-2026-55528

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, AgentServer exposes ServerConfig.authtoken but AgentServer.createapp does not check it on any route. A remote caller can subscribe, publish, and perform other actions without a valid bearer token or X-Auth-Token even when...

CVE-2026-79776 rclone before 1.75.0 Authentication Bypass via pprof

rclone before 1.75.0 mounts the pprof debug handler as its own router route, bypassing the fail-closed authentication rule in the main handler. Attackers can access the /debug/pprof/cmdline endpoint unauthenticated to retrieve the full process argv including backend credentials...

EUVD-2026-65534

rclone before 1.75.0 mounts the pprof debug handler as its own router route, bypassing the fail-closed authentication rule in the main handler. Attackers can access the /debug/pprof/cmdline endpoint unauthenticated to retrieve the full process argv including backend credentials...

CVE-2026-79776

rclone before 1.75.0 mounts the pprof debug handler as its own router route, bypassing the fail-closed authentication rule in the main handler. Attackers can access the /debug/pprof/cmdline endpoint unauthenticated to retrieve the full process argv including backend credentials...

CVE-2026-79773 Winter CMS before 1.2.13 Local File Inclusion via JavaScript

Winter CMS before 1.2.13 contains a local file inclusion vulnerability in the JavascriptImporter filter that allows authenticated users with cms.manageassets permission to disclose arbitrary server-readable files by placing =include or =require directives in theme JavaScript assets. Attackers can...

GHSA-GFQ8-HMPH-9GJV PraisonAI: Authentication fail-open in Recipe server allows unauthenticated access when API key or JWT auth is configured without a secret

Summary The PraisonAI Recipe HTTP server silently allows unauthenticated requests when auth is configured as api-key or jwt but the corresponding secret is missing. This creates an authentication fail-open condition. An operator can start the Recipe server with authentication enabled, including o...