CVE-2026-49451

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 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...

EUVD-2026-40365

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 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...

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...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to Apache HttpClient and Apache Neethi ( CVE-2026-40542, CVE-2026-42402, CVE-2026-42403 & CVE-2026-42404 )

Summary IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to Apache HttpClient and Apache Neethi. Vulnerability Details CVEID:CVE-2026-40542 DESCRIPTION: Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept...

Prototype Pollution

Overview n8n-workflow is a Workflow base code of n8n Affected versions of this package are vulnerable to Prototype Pollution via the deepCopy and replaceCircularReferences utilities in utils.ts. An attacker can inject crafted proto, constructor, or prototype fields in a public webhook payload tha...

jq: stack overflow in module loading on mutual include

A flaw was found in jq, a command line JSON processor. The module loader fails to perform cycle detection when resolving imports. This missing cycle detection allows an attacker who can supply crafted modules with circular dependencies to exhaust the stack memory, causing an application crash,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/rds: Fixed a circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune, where sknetrefcntupgrade is called while holding the socket lock:...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Before versions 7.1.2-15 and 6.9.13-40, Magick failed to detect circular references between two MSLs, resulting in a stack overflow issue. Versions 7.1.2-15 and 6.9.13-40 include a patch to address this...

Security Bulletin: Vulnerability in flatted affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerability in flatted has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. . The vulnerability have been addressed. Refer to details for additional information. Vulnerabili...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The use of commitmutex in the reset path has been removed. This issue causes a circular lock dependency between the commitmutex, nfnlsubsysipset, and nlkcbmutex when performing nft reset, listing IP sets, or...

CVE-2026-49495 Ghidra 10.2 < 12.1 - Denial of Service via Circular Reference in Mach-O Export Trie Parser

Ghidra 10.2 before 12.1 contains an uncontrolled resource consumption vulnerability in ExportTrie.parseTrie that lacks cycle detection when traversing Mach-O binary export tries. A crafted Mach-O binary with circular references in the export trie causes unbounded queue growth and exponential stri...

EUVD-2026-36004

Ghidra 10.2 before 12.1 contains an uncontrolled resource consumption vulnerability in ExportTrie.parseTrie that lacks cycle detection when traversing Mach-O binary export tries. A crafted Mach-O binary with circular references in the export trie causes unbounded queue growth and exponential stri...

CVE-2026-49495 Ghidra 10.2 < 12.1 - Denial of Service via Circular Reference in Mach-O Export Trie Parser

Ghidra 10.2 before 12.1 contains an uncontrolled resource consumption vulnerability in ExportTrie.parseTrie that lacks cycle detection when traversing Mach-O binary export tries. A crafted Mach-O binary with circular references in the export trie causes unbounded queue growth and exponential stri...

CVE-2026-49495

Ghidra 10.2 before 12.1 contains an uncontrolled resource-consumption vulnerability in ExportTrie.parseTrie() that lacks cycle detection when traversing Mach-O binary export tries. A crafted Mach-O binary with circular references in the export trie can cause unbounded queue growth and exponential...