CVE-2026-47620

NVIDIA Dynamo for Linux contains a vulnerability where an attacker could cause a race condition in the LoRA manager singleton initialization. A successful exploit of this vulnerability might lead to data tampering and denial of service...

CVE-2026-47621

NVIDIA Dynamo for Linux contains a vulnerability where an attacker could cause a race condition in the LoRA manager singleton initialization. A successful exploit of this vulnerability might lead to denial of service and data tampering...

EUVD-2026-52815

NVIDIA Dynamo for Linux contains a vulnerability where an attacker could cause a race condition in the LoRA manager singleton initialization. A successful exploit of this vulnerability might lead to data tampering and denial of service...

SUSE CVE-2026-48529

GitHub MCP Server is GitHub's official MCP Server. From 0.22.0 until 1.1.2, when running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from differe...

PYSEC-2026-3424 wger has Broken Access Control in Global Gym Configuration Update Endpoint

Summary wger exposes a global configuration edit endpoint at /config/gym-config/edit implemented by GymConfigUpdateView. The view declares permissionrequired = 'config.changegymconfig' but does not enforce it because it inherits WgerFormMixin ownership-only checks instead of the project’s...

CVE-2026-58473

Cognee before 1.2.0 contains an improper access control vulnerability that allows unauthenticated attackers to overwrite the global LLM provider configuration by self-registering an account and calling the settings endpoint, which performs no admin or superuser check. Attackers can redirect all L...

CVE-2026-58473

Cognee before 1.2.0 contains an improper access control vulnerability that allows unauthenticated attackers to overwrite the global LLM provider configuration by self-registering an account and calling the settings endpoint, which performs no admin or superuser check. Attackers can redirect all L...

PT-2026-56255

Name of the Vulnerable Software and Affected Versions Cognee versions prior to 1.2.0 Description Improper access control allows unauthenticated attackers to overwrite the global LLM provider configuration. By self-registering an account and calling the '/api/v1/settings' endpoint, which lacks adm...

Security Bulletin: Cross-Tenant API Key Reuse and Billing Fraud in Langflow Voice Mode Subsystem

Summary The voice mode subsystem src/backend/base/langflow/api/v1/voicemode.py contains two critical vulnerabilities that enable cross-tenant API key reuse and billing fraud. The first vulnerability involves a process-global ElevenLabs client singleton that caches the first user's API key and...

CVE-2026-48529

GitHub MCP Server (versions 0.22.0–1.1.2) in HTTP mode with --lockdown-mode stores RepoAccessCache as a process-global singleton initialized with the first authenticated user’s GraphQL client. All subsequent requests reuse that singleton, causing lockdown queries to run with the first user’s toke...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the GetInstance process. An attacker can access or modify resources belonging to other users by sending requests with their own credentials after another user has initialized the singleton, causing all subsequen...

GHSA-PJP5-FPMR-3349 GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion

Summary When running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from different users share this singleton and their lockdown-related GraphQL...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the GetInstance process. An attacker can access or modify resources belonging to other users by sending requests with their own credentials after another user has initialized the singleton, causing all subsequen...

GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion

Summary When running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from different users share this singleton and their lockdown-related GraphQL...

GO-2026-5296 Tinyauth has OAuth account confusion via shared mutable state on singleton service instances in github.com/steveiliop56/tinyauth

Tinyauth has OAuth account confusion via shared mutable state on singleton service instances in github.com/steveiliop56/tinyauth...

PT-2026-52644

Name of the Vulnerable Software and Affected Versions GitHub MCP Server versions 0.22.0 through 1.1.1 Description When operating in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton. This singleton is initialized using the GraphQL client of t...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the dashboard process. An attacker can take control of all dashboard routing by claiming the Host through NAT as an authenticated user. Remediation Upgrade github.com/nezhahq/nezha/service/singleton to version...

EUVD-2024-55616

Ghidra before 11.2 contains a use after free vulnerability in the Sleigh backend caused by undefined static initialization order of the SleighArchitecture::translators and XmlArchitectureCapability singletons. Attackers can trigger an infinite loop or denial of service during shutdown by exploiti...

PT-2026-48402

Ghidra before 11.2 contains a use after free vulnerability in the Sleigh backend caused by undefined static initialization order of the SleighArchitecture::translators and XmlArchitectureCapability singletons. Attackers can trigger an infinite loop or denial of service during shutdown by exploiti...

CVE-2026-25551

Seagull Software BarTender 2021 R1 through 12.0.1 contains an insecure deserialization vulnerability that allows low-privileged local users to escalate privileges. The DataServiceSingleton .NET Remoting endpoint is bound to localhost on TCP port 7375 via BtSystem.Service.exe, limiting the attack...