CVE-2026-53507 oasdiff actions resolve external $refs by default, enabling SSRF and disclosure of structured files on pull-request runs

oasdiff-action is a GitHub Action that detects breaking changes in OpenAPI specs and post a review on every pull request. Before version 0.0.51, the oasdiff actions resolved external $refs in the OpenAPI spec by default allow-external-refs: true. When an action runs on a pull request whose spec i...

PT-2026-78544

Name of the Vulnerable Software and Affected Versions Orval versions prior to 8.22.0 Description Orval resolves remote and local external $ref values without an allowlist or confinement to the input directory. Processing an attacker-controlled OpenAPI description can lead to requests from the...

CVE-2026-55389

datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. Prior to 0.62.0, datamodel-code-generator resolves JSON Schema $ref targets in...