CVE-2026-56277 Flowise - Hardcoded CORS Wildcard in TTS Endpoint

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

CVE-2026-56277

Flowise (pre-3.1.2) exposes a security flaw in its text-to-speech (TTS) endpoint. The endpoint at packages/server/src/controllers/text-to-speech/index.ts sets Access-Control-Allow-Origin to a hardcoded wildcard (*), bypassing the server’s configured CORS policy and enabling cross-origin requests ...

EUVD-2026-38429

Capgo before 12.128.2 contains a credential validation vulnerability in the POST /functions/v1/private/validatepasswordcompliance endpoint that is callable using only the public Supabase key without authentication. The endpoint is CORS-permissive with wildcard origin allowance and lacks rate...

Mercusys AC12G 安全漏洞

The Mercusys AC12G is a Gigabit wireless router produced by the Chinese company Mercusys. The Mercusys AC12G EU V1 AC12G EU V1 version has security vulnerabilities. These vulnerabilities stem from unvalidated HTTP header verification, which may allow external attackers to exploit the CORS wildcar...

CVE-2026-45021 Kuma: Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin

Kuma is a modern Envoy-based service mesh that can run on every cloud across both Kubernetes and VMs. Prior to 2.7.25, 2.9.15, 2.11.13, 2.12.10, and 2.13.5, the default kuma-cp config leaks the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is...

CVE-2026-45021

Kuma CVE-2026-45021 describes a cross-origin exposure in the default kuma-cp config where CorsAllowedDomains: "." and LocalhostIsAdmin: true enable a browser-based attacker to fetch admin credentials from the control plane. Before versions 2.7.25, 2.9.15, 2.11.13, 2.12.10, and 2.13.5, a malicious...

GitLab MCP Server 安全漏洞

GitLab MCP Server is an open-source tool developed by yoda.digital that connects AI agents with GitLab repositories. Versions of GitLab MCP Server prior to 0.6.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of authentication mechanisms at the HTTP transport laye...

PT-2026-42629

Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret | Field | Value | | ---------------- | ----- | | Repository | Jovancoding/Network-AI | | Affected version | v5.4.4 commit c12686e181f231cf8d7bcf836a96d78f0f0877ac | Summary The MCP SSE server defaults to an empty secret...

GHSA-HW27-4V2Q-5QFF Algernon: Auto-refresh SSE event server sets Access-Control-Allow-Origin: *

Summary The SSE event server's Access-Control-Allow-Origin response header was hardcoded to the wildcard regardless of the caller's Origin. Because EventSource does not preflight and does not send cookies, the wildcard is sufficient to let any third-party page the developer visits open a...

Algernon: Auto-refresh SSE event server sets Access-Control-Allow-Origin: *

Summary The SSE event server's Access-Control-Allow-Origin response header was hardcoded to the wildcard regardless of the caller's Origin. Because EventSource does not preflight and does not send cookies, the wildcard is sufficient to let any third-party page the developer visits open a...

GHSA-3VCP-CHFH-F6R2 Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin

Summary Default kuma-cp config leaks the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser. CorsAllowedDomains: "." reflects any Origin, and LocalhostIsAdmin: true promotes requests from 127.0.0.1 to mesh-system:admin...

Default kuma-cp leaks admin token cross-origin via CORS wildcard + LocalhostIsAdmin

Summary Default kuma-cp config leaks the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser. CorsAllowedDomains: "." reflects any Origin, and LocalhostIsAdmin: true promotes requests from 127.0.0.1 to mesh-system:admin...

CVE-2026-42091

goshs is a SimpleHTTPServer written in Go. Prior to version 2.0.2, the PUT upload handler httpserver/updown.go lacks the CSRF token validation that was added to the POST upload handler during the CVE-2026-40883 fix. Combined with the unconditional Access-Control-Allow-Origin: on the OPTIONS...

GHSA-2R2P-4CGF-HV7H engram: HTTP server CORS wildcard + auth-off-by-default enables CSRF graph exfiltration and persistent indirect prompt injection

Summary The local HTTP server started by engram server binding 127.0.0.1:7337 by default was exposed to any browser origin with no authentication unless ENGRAMAPITOKEN was explicitly set. Combined with Access-Control-Allow-Origin: on every response and a body parser that did not require...

GHSA-PM96-6XPR-978X PraisonAI: Unauthenticated Information Disclosure of Agent Instructions via /api/agents in AgentOS

Summary The AgentOS deployment platform exposes a GET /api/agents endpoint that returns agent names, roles, and the first 100 characters of agent system instructions to any unauthenticated caller. The AgentOS FastAPI application has no authentication middleware, no API key validation, and default...

GHSA-7P93-6934-F4Q7 Glances Vulnerable to Cross-Origin System Information Disclosure via XML-RPC Server CORS Wildcard

Summary The Glances XML-RPC server activated with glances -s or glances --server sends Access-Control-Allow-Origin: on every HTTP response. Because the XML-RPC handler does not validate the Content-Type header, an attacker-controlled webpage can issue a CORS "simple request" POST with Content-Typ...

Syntribos: An Open Source API Security Testing Tool

PenTestIT RSS Feed Web application security testing is a multi-faceted and yet important domains today. A few years ago, it was only the front end security tests and then came the backend. As newer endpoints are being exposed, it becomes imperative to test their security too. Syntribos is one suc...