CVE-2026-92287

Apache Arrow C++ Parquet and PyArrow versions 4.0.0 through 25.0.1 are vulnerable to an improper input validation issue (CWE-20) where file-controlled KMS URLs are forwarded to pluggable KmsClient implementations without host validation. If a user does not use application-controlled settings, an ...

CVE-2026-92287 Apache Arrow C++, PyArrow: Parquet file-controlled KMS URL is forwarded to pluggable KmsClient that skips host validation

Pass-through of unvalidated KMS URLs to KMS clients in Apache C++ Parquet and PyArrow versions 4.0.0 to 25.0.1. This affects users who read Parquet files and configure Parquet decryption properties with a KmsClient implementation. On the reader side, the KMS URL can be application-controlled...