CVE-2026-33032 Nginx UI: Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoi...

CVE-2026-33032 Nginx UI: Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoi...

CVE-2026-33032

Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoi...

CVE-2026-33032

CVE-2026-33032 affects nginx-ui prior to 2.3.4. The MCP integration exposes two HTTP endpoints: /mcp (protected by AuthRequired) and /mcp_message (no authentication). The default IPWhiteList is empty, which the middleware treats as “allow all,” enabling unauthenticated MCP tool invocations (e.g.,...

com.agentsflex:agents-flex-bom (>=2.1.1 <=2.1.7), com.agentsflex:agents-flex-mcp (>=2.0.0 <=2.1.7) +28 more potentially affected by CVE-2026-34237 via io.modelcontextprotocol.sdk:mcp-core (>=1.0.0-RC3 <=1.0.0)

io.modelcontextprotocol.sdk:mcp-core MAVEN version =1.0.0-RC3, =2.1.1, =2.0.0, =2.1.1, =2.0.4, =0.1.1, =0.1.1, =0.158.v8e18e64dd93c, =0.174.v2747878aeedb - io.micronaut.mcp:micronaut-mcp-client-java-sdk =1.0.0-M2 - io.micronaut.mcp:micronaut-mcp-server-java-sdk =1.0.0-M2 -...

CVE-2026-33946

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to version 0.9.2, the Ruby SDK's streamablehttptransport.rb implementation contains a session hijacking vulnerability. An attacker who obtains a valid session ID can completely hijack the victim's...

nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Summary The nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoint only applies IP whitelisting - and the default IP whitelist is empty, which t...

FreeRDP 资源管理错误漏洞

FreeRDP is an open source Remote Desktop Protocol RDP implementation library and client . FreeRDP suffers from a double release vulnerability. The vulnerability is caused by a double release problem in the memory release process of the kerberosAcceptSecurityContext and...

CVE-2026-33995

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, a double-free vulnerability in kerberosAcceptSecurityContext and kerberosInitializeSecurityContextA WinPR, winpr/libwinpr/sspi/Kerberos/kerberos.c can cause a crash in any FreeRDP clients on systems where...

PT-2026-29097

Name of the Vulnerable Software and Affected Versions TrueConf versions 8.1.0 through 8.5.2 Description TrueConf Client downloads application update code and applies it without performing integrity or authenticity verification. An attacker capable of influencing the update delivery path, such as ...

Amazon Linux 2023 : libde265, libde265-devel (ALAS2023-2026-1477)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1477 advisory. strukturag libde265 commit d9fea9d wa discovered to contain a segmentation fault via the component decodercontext::computeframedroptable. CVE-2025-61147 Tenable has extracted the preceding description...

NoMachine External Control of File Path Arbitrary File Deletion Vulnerability

This vulnerability allows local attackers to delete arbitrary files on affected installations of NoMachine. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of...

nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

The nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoint only applies IP whitelisting - and the default IP whitelist is empty, which the...

curl: HackerOne Vulnerability Report: libcurl SSL/TLS Identity Leakage via Insecure Connection Reuse

Summary libcurl contains a critical logic flaw in its connection reuse mechanism where transfers using the CURLOPTSSLCTXFUNCTION SSL context callback to establish a specific identity e.g., via client certificates can have their connections incorrectly reused by subsequent, unauthenticated transfe...

Duplicate Advisory: OpenClaw: Unrecognized script runners could bypass `system.run` approval integrity

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-qc36-x95h-7j53. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.11 contains an approval integrity vulnerability where system.run approvals fail to bind mutabl...

CVE-2026-32923 OpenClaw < 2026.3.11 - Authorization Bypass in Discord Guild Reaction Allowlist Enforcement

OpenClaw before 2026.3.11 contains an authorization bypass vulnerability in Discord guild reaction ingestion that fails to enforce member users and roles allowlist checks. Non-allowlisted guild members can trigger reaction events accepted as trusted system events, injecting reaction text into...

CVE-2026-32923 OpenClaw < 2026.3.11 - Authorization Bypass in Discord Guild Reaction Allowlist Enforcement

OpenClaw before 2026.3.11 contains an authorization bypass vulnerability in Discord guild reaction ingestion that fails to enforce member users and roles allowlist checks. Non-allowlisted guild members can trigger reaction events accepted as trusted system events, injecting reaction text into...

PT-2026-28451

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.11 Description The software contains an authorization bypass issue in how Discord guild reactions are processed. Specifically, the system does not properly verify if a user or role is on an allowlist, allowing...

CVE-2026-31951

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

SUSE CVE-2026-4342

A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. Note that i...