Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication due to the unconditional substitution of a nil AuthenticationFunc with a no-op function in the Load process. An attacker can gain unauthorized access to protected endpoints by sending unauthenticated requests, as...

GHSA-R277-6W6Q-XMQW kin-openapi: ValidationHandler.Load() Fail-Open Authentication Bypass via NoopAuthenticationFunc Default

Summary ValidationHandler.Load in getkin/kin-openapi silently replaces a nil AuthenticationFunc with NoopAuthenticationFunc, which always returns nil without performing any credential check. Because this substitution happens unconditionally when the caller omits the field, every OpenAPI security...

Unsafe Dependency Resolution

Overview Affected versions of this package are vulnerable to Unsafe Dependency Resolution via the IsSafeFileReference function. An attacker can access or disclose files outside the intended package boundary by supplying a crafted percent-encoded or multi-encoded file reference in the OpenAPI...

EUVD-2026-44936

Microsoft Kiota: Arbitrary file write + code-injection via x-ms-kiota-info clientClassName and clientNamespaceName...

Microsoft Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref

Summary Microsoft Kiota resolved OpenAPI $refs by fetching remote https URLs and reading local files including absolute / out-of-tree paths, inlining the referenced schema into the generated client. Running kiota generate on a spec whose $ref pointed at an attacker/internal URL or an arbitrary...

GHSA-RG4H-FPCP-2QM8 Microsoft Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref

Summary Microsoft Kiota resolved OpenAPI $refs by fetching remote https URLs and reading local files including absolute / out-of-tree paths, inlining the referenced schema into the generated client. Running kiota generate on a spec whose $ref pointed at an attacker/internal URL or an arbitrary...

EUVD-2026-44935

Microsoft Kiota: Path/URL injection into generated Copilot plugin manifest via x-ai- extensions...

GHSA-JQWH-526H-C92J Microsoft Kiota: Code Generation Literal Injection in Kiota PHP Generator

Impact The Kiota PHP code generator is vulnerable to a code generation literal injection attack. The generator embeds string values from OpenAPI fields e.g. description, default values, and property names directly into PHP double-quoted string literals without properly escaping the $ character...

EUVD-2026-44928

Microsoft Kiota: Code Generation Literal Injection in Kiota PHP Generator...

Microsoft Kiota: Code Generation Literal Injection in Kiota PHP Generator

Impact The Kiota PHP code generator is vulnerable to a code generation literal injection attack. The generator embeds string values from OpenAPI fields e.g. description, default values, and property names directly into PHP double-quoted string literals without properly escaping the $ character...

GHSA-7F3J-J7JJ-R3VR Microsoft Kiota: Code Generation Literal Injection in Kiota Python Generator

Code Generation Literal Injection in Kiota Python Generator Leads to Arbitrary Code Execution at Import Time. The Kiota Python code generator is vulnerable to a code generation literal injection issue when processing malicious or untrusted OpenAPI specifications. Specifically, attacker-controlled...

Microsoft Kiota: Code Generation Literal Injection in Kiota Ruby Generator

Code Generation Literal Injection in Kiota Ruby Generator Leads to Arbitrary Code Execution Impact The Kiota Ruby code generator is vulnerable to a code generation literal injection attack. The generator embeds string values from OpenAPI default fields and property names directly into Ruby...

Microsoft Kiota: XML Doc-Comment Newline Breakout Code Injection

Summary Kiota versions prior to 1.32.3 and 1.29.1 are affected by a code-generation injection vulnerability in the C XML documentation-comment sink the description, externalDocs label, and externalDocs link fields emitted as /// … comments. When text from an OpenAPI description is written into...

EUVD-2026-44931

Microsoft Kiota: XML Doc-Comment Newline Breakout Code Injection...

PT-2026-76594

Name of the Vulnerable Software and Affected Versions kin-openapi versions 0.2.0 through 0.143.0 Description An unauthenticated remote denial of service exists when the openapi3filter.ValidateRequest function processes an operation that declares a content parameter where the application/json medi...

CVE-2026-47769

APIFold reads an OpenAPI 3.x or Swagger 2.x specification and generates a live, production-ready MCP server endpoint. Prior to commit 7f19b52280f414f57af2b79a95333d1c8fbeece5, the /webhooks/:serverSlug/:eventName endpoint accepts arbitrary unauthenticated JSON and stores it in Redis and the...

CVE-2026-47769

APIFold reads an OpenAPI 3.x or Swagger 2.x specification and generates a live, production-ready MCP server endpoint. Prior to commit 7f19b52280f414f57af2b79a95333d1c8fbeece5, the /webhooks/:serverSlug/:eventName endpoint accepts arbitrary unauthenticated JSON and stores it in Redis and the...

GO-2026-6016 oapi-codegen: OpenAPI Server Description Escapes Generated Go Comment and Injects Executable Code in github.com/oapi-codegen/oapi-codegen

oapi-codegen: OpenAPI Server Description Escapes Generated Go Comment and Injects Executable Code in github.com/oapi-codegen/oapi-codegen...

CVE-2026-55081

DHIS2 is a flexible information system for data capture, management, validation, analytics and visualization. The DHIS2 OpenAPI HTML endpoint reflected values from the scope query parameter into the generated HTML document without sufficient sanitization. A crafted scope value could be rendered a...

CVE-2026-55081

DHIS2 is a flexible information system for data capture, management, validation, analytics and visualization. The DHIS2 OpenAPI HTML endpoint reflected values from the scope query parameter into the generated HTML document without sufficient sanitization. A crafted scope value could be rendered a...