CVE-2026-49451 Microsoft.OpenAPI: Circular schema references may terminate OpenAPI parsing

The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model. From 2.0.0-preview11 until 2.7.5 and 3.5.4, a small OpenAPI document containing a circular schema reference can cause proce...

CVE-2026-49451

The issue affects the OpenAPI.NET SDK used for OpenAPI document parsing in .NET. A circular schema reference in a small OpenAPI document can cause process termination via stack overflow when using public OpenAPI.NET reader APIs, applicable to both JSON and YAML paths. Affected versions range from...

CVE-2026-49451 Microsoft.OpenAPI: Circular schema references may terminate OpenAPI parsing

The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model. From 2.0.0-preview11 until 2.7.5 and 3.5.4, a small OpenAPI document containing a circular schema reference can cause proce...

CVE-2026-58377

JeecgBoot through 3.9.2 contains a broken access control vulnerability that allows authenticated low-privilege users to perform full create, read, update, and delete operations on OpenAPI credentials by accessing the OpenApiAuthController and OpenApiPermissionController endpoints which lack Shiro...

EUVD-2026-40364

JeecgBoot through 3.9.2 contains a broken access control vulnerability that allows authenticated low-privilege users to perform full create, read, update, and delete operations on OpenAPI credentials by accessing the OpenApiAuthController and OpenApiPermissionController endpoints which lack Shiro...

CVE-2026-58377 JeecgBoot 3.9.2 - Missing Authorization on OpenAPI Credential Management Endpoints Exposes Access/Secret Keys

JeecgBoot through 3.9.2 contains a broken access control vulnerability that allows authenticated low-privilege users to perform full create, read, update, and delete operations on OpenAPI credentials by accessing the OpenApiAuthController and OpenApiPermissionController endpoints which lack Shiro...

CVE-2026-58377 JeecgBoot 3.9.2 - Missing Authorization on OpenAPI Credential Management Endpoints Exposes Access/Secret Keys

JeecgBoot through 3.9.2 contains a broken access control vulnerability that allows authenticated low-privilege users to perform full create, read, update, and delete operations on OpenAPI credentials by accessing the OpenApiAuthController and OpenApiPermissionController endpoints which lack Shiro...

CVE-2026-58377

JeecgBoot 3.9.2 is affected by a broken access control vulnerability that allows authenticated, low-privilege users to perform full CRUD on OpenAPI credentials via OpenApiAuthController and OpenApiPermissionController endpoints that lack Shiro authorization annotations. Attackers can list, add, e...

CVE-2026-58377 JeecgBoot 3.9.2 - Missing Authorization on OpenAPI Credential Management Endpoints Exposes Access/Secret Keys

JeecgBoot through 3.9.2 contains a broken access control vulnerability that allows authenticated low-privilege users to perform full create, read, update, and delete operations on OpenAPI credentials by accessing the OpenApiAuthController and OpenApiPermissionController endpoints which lack Shiro...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion via the parsing process. An attacker can cause process termination by submitting a crafted OpenAPI document containing circular schema references. Remediation Upgrade Microsoft.OpenApi to version 2.7.5, 3.5.4 or...

GHSA-V5PM-XWQC-G5WC Microsoft.OpenAPI: Circular schema references may terminate OpenAPI parsing

Impact A small OpenAPI document containing a circular schema reference can cause process termination through stack overflow in Microsoft.OpenApi. The issue affects OpenAPI document parsing through public OpenAPI.NET reader APIs and has been confirmed across both JSON and YAML reader paths. Affect...

Microsoft.OpenAPI: Circular schema references may terminate OpenAPI parsing

Impact A small OpenAPI document containing a circular schema reference can cause process termination through stack overflow in Microsoft.OpenApi. The issue affects OpenAPI document parsing through public OpenAPI.NET reader APIs and has been confirmed across both JSON and YAML reader paths. Affect...

PT-2026-53915

Name of the Vulnerable Software and Affected Versions OpenAPI.NET versions 2.0.0-preview11 through 2.7.4 OpenAPI.NET versions 3.0.0 through 3.5.3 Description An issue in the parsing of OpenAPI documents can lead to process termination due to a stack overflow when a document contains a circular...

PT-2026-53934

Name of the Vulnerable Software and Affected Versions JeecgBoot versions prior to 3.9.3 Description Authenticated low-privilege users can perform full create, read, update, and delete operations on OpenAPI credentials. This occurs because the 'OpenApiAuthController' and...

OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes

OpenViking prior to commitc7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the apikey configuration value is unset or empty. Remote attackers with network access to the exposed service can invoke...

FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulnerability

Technical DescriptionThe OpenAPIProvider in FastMCP exposes internal APIs to MCP clients by parsing OpenAPI specifications. The RequestDirector class is responsible for constructing HTTP requests to the backend service.A critical vulnerability exists in the buildurl method. When an OpenAPI...

PYSEC-2026-338 FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulnerability

Technical Description The OpenAPIProvider in FastMCP exposes internal APIs to MCP clients by parsing OpenAPI specifications. The RequestDirector class is responsible for constructing HTTP requests to the backend service. A critical vulnerability exists in the buildurl method. When an OpenAPI...

PYSEC-2026-393 Unsafe yaml deserialization in llama-hub

The OpenAPI and ChatGPT plugin loaders in LlamaHub aka llama-hub before 0.0.67 allow attackers to execute arbitrary code because safeload is not used for YAML...

Unsafe yaml deserialization in llama-hub

The OpenAPI and ChatGPT plugin loaders in LlamaHub aka llama-hub before 0.0.67 allow attackers to execute arbitrary code because safeload is not used for YAML...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to multiple Node.js modules (CVE-2026-45736, CVE-2026-45149, CVE-2026-3449 & CVE-2026-8723)

Summary IBM App Connect Enterprise Connector Discovery and OpenAPI Editor, IBM App Connect Enterprise Discovery Connectors and IBM App Connect Enterprise runtime are vulnerable to multiple vulnerabilities due to multiple Node.js modules. Vulnerability Details CVEID:CVE-2026-45736 DESCRIPTION: ws ...