CVE-2026-45707 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.2, when ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that...

CVE-2026-45707

n8n-MCP vulnerability CVE-2026-45707 affects HTTP-mode multi-tenant deployments. Before v2.51.2, when ENABLE_MULTI_TENANT=true, per-request target n8n instance is chosen via x-n8n-url/x-n8n-key headers; omitting or partially omitting these headers caused requests to fall back to the operator’s pr...

EUVD-2026-33318

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.2, when ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that...

n8n-MCP 访问控制错误漏洞

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. Versions of n8n-MCP prior to 2.51.2 contained an access control vulnerability. This vulnerability arises when multi-tenant mode is enabled, and headers are omitted or only partially provided duri...

Confused ChatGPT: Cross-App Context Poisoning Via First-Party APIs

ChatGPT Apps, launched by OpenAI on Oct. 6, 2025, introduce an app-in-app paradigm in which third-party applications share a single chat context with the user and with every other connected app. The ecosystem grew from 122 apps in Dec. 2025 to 888 by May 2026, yet its security has remained...

PT-2026-44998

Name of the Vulnerable Software and Affected Versions ExtremeCloud IQ affected versions not specified Description A race condition in the shared Extreme Platform ONE IAM Gateway API-key authentication path can intermittently allow requests authenticated with an Extreme Platform ONE /IAM-issued AP...

PT-2026-45062

Name of the Vulnerable Software and Affected Versions praisonai-platform affected versions not specified Description An Insecure Direct Object Reference exists in the multi-tenant deployment. The endpoint '/workspaces/workspace id/issues/issue id/activity' uses the workspace id only to verify...

PT-2026-45061

Name of the Vulnerable Software and Affected Versions PraisonAI Platform affected versions not specified Description The server contains multiple authorization flaws. First, a cross-tenant Insecure Direct Object Reference IDOR exists because the require workspace member dependency only validates...

Extreme Networks Extreme Platform ONE IAM Gateway 安全漏洞

The Extreme Networks Extreme Platform ONE IAM Gateway is a network identity and access management gateway provided by Extreme Networks, Inc. There is a security vulnerability present in the Extreme Networks Extreme Platform ONE IAM Gateway, which stems from a race condition in the API key...

CVE-2026-45296

OpenReplay is a self-hosted session replay suite. Prior to 1.26.0, OpenReplay's Python API exposes several appapikey routes that trust a caller-provided projectKey after validating only that the API key itself is valid and that the target projectKey exists. The authorization flow does not verify...

CVE-2026-45297

OpenReplay is a self-hosted session replay suite. Prior to 1.26.0, there is a cross-tenant IDOR on feature-flag and assist-stats routes via projectid case mismatch. ProjectAuthorizer.call OSS api/auth/authproject.py:14-38 and EE ee/api/auth/authproject.py:14-46 only runs...

GHSA-V8V8-CM84-M686 OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

Impact OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via the legacy, undocumented sys/revoke and sys/renew endpoints. Patch This will be address...

OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

Impact OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via the legacy, undocumented sys/revoke and sys/renew endpoints. Patch This will be address...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the HandleSection function. An attacker can gain unauthorized cluster-level privileges, access sensitive data across tenants, and disrupt cluster operations by submitting specially crafted resources that...

GHSA-QJJM-7J9W-PW72 Capsule TenantResource RawItems Cluster-Scoped Resource Creation Vulnerability

TenantResource RawItems Cluster-Scoped Resource Creation Vulnerability Summary The Capsule Controller runs with cluster-admin privileges. Although the TenantResource RawItems processing logic forcibly sets the namespace, this is ineffective for cluster-scoped resources. Tenant administrators can...

Capsule TenantResource RawItems Cluster-Scoped Resource Creation Vulnerability

TenantResource RawItems Cluster-Scoped Resource Creation Vulnerability Summary The Capsule Controller runs with cluster-admin privileges. Although the TenantResource RawItems processing logic forcibly sets the namespace, this is ineffective for cluster-scoped resources. Tenant administrators can...

GHSA-2WW6-HF35-MFJM Capsule Namespace Hijacking via subresource

Summary To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. However, in Kubernetes, the namespace/finalize and namespace/status subresource APIs can also modify various fields of a...

CVE-2026-45296

OpenReplay is a self-hosted session replay suite. Prior to 1.26.0, OpenReplay's Python API exposes several appapikey routes that trust a caller-provided projectKey after validating only that the API key itself is valid and that the target projectKey exists. The authorization flow does not verify...

CVE-2026-45296

OpenReplay before 1.26.0 exposes cross-tenant risks via the Python API app_apikey routes that trust a caller-provided projectKey after validating only the API key and existence of the projectKey. The authorization flow fails to bind the authenticated API key to the correct tenant, enabling an att...

CVE-2026-45296 OpenReplay: Cross-tenant information disclosure in app_apikey projectKey routes via missing tenant binding

OpenReplay is a self-hosted session replay suite. Prior to 1.26.0, OpenReplay's Python API exposes several appapikey routes that trust a caller-provided projectKey after validating only that the API key itself is valid and that the target projectKey exists. The authorization flow does not verify...