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    4 vulnerabilities found for PyArrow by Apache Software Foundation

    CVE-2026-92287 (GCVE-0-2026-92287)

    Vulnerability from nvd – Published: 2026-10-20 08:15 – Updated: 2026-10-20 09:13
    VLAI
    Title
    Apache Arrow C++, PyArrow: Parquet file-controlled KMS URL is forwarded to pluggable KmsClient that skips host validation
    Summary
    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 (specified in the KmsConnectionConfig) or file-controlled. If the user does not leverage application control for this parameter, a file-controlled KMS URL is forwarded to a pluggable KmsClient implementation. If the KMS implementation does not perform host validation and makes use of the provided KMS URL, a KMS token can be sent to a malicious host set by an attacker in the file.  Users are recommended to upgrade to version 26.0.0, which disables this behavior by default and requires that users opt-in to it by enabling the read_kms_url flag in the DecryptionConfiguration. Users of affected versions are recommended to either specify the KMS URL in the KmsConnectionConfig when reading files, or ensure any KmsClient implementations validate received KMS URLs. Users that opt-in to file-controlled KMS URLs in version 26.0.0 and later must ensure KmsClients validate KMS URLs.
    Severity
    No CVSS data available.
    CWE
    • CWE-20 - Improper input validation
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1085 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache Arrow C++ Affected: 4.0.0 , < 26.0.0 (semver)
    Unaffected: 26.0.0 (semver)
    		Create a notification for this product.
    Apache Software Foundation PyArrow Affected: 8.0.0 , < 26.0.0 (semver)
    Unaffected: 26.0.0 (semver)
    		Create a notification for this product.
    Credits
    n0mi1k
    Show details on NVD website
    To clipboard 

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    CVE-2023-47248 (GCVE-0-2023-47248)

    Vulnerability from nvd – Published: 2023-11-09 08:17 – Updated: 2025-02-13 17:17
    VLAI Shadowserver Previdian
    Title
    PyArrow, PyArrow: Arbitrary code execution when loading a malicious data file
    Summary
    Deserialization of untrusted data in IPC and Parquet readers in PyArrow versions 0.14.0 to 14.0.0 allows arbitrary code execution. An application is vulnerable if it reads Arrow IPC, Feather or Parquet data from untrusted sources (for example user-supplied input files). This vulnerability only affects PyArrow, not other Apache Arrow implementations or bindings. It is recommended that users of PyArrow upgrade to 14.0.1. Similarly, it is recommended that downstream libraries upgrade their dependency requirements to PyArrow 14.0.1 or later. PyPI packages are already available, and we hope that conda-forge packages will be available soon. If it is not possible to upgrade, we provide a separate package `pyarrow-hotfix` that disables the vulnerability on older PyArrow versions. See https://pypi.org/project/pyarrow-hotfix/ for instructions.
    Severity
    No CVSS data available.
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1085 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation PyArrow Affected: 0.14.0 , ≤ 14.0.0 (semver)
    		Create a notification for this product.
    Credits
    Li Jiakun - laoquanshi
    Show details on NVD website
    To clipboard 

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    CVE-2026-92287 (GCVE-0-2026-92287)

    Vulnerability from cvelistv5 – Published: 2026-10-20 08:15 – Updated: 2026-10-20 09:13
    VLAI
    Title
    Apache Arrow C++, PyArrow: Parquet file-controlled KMS URL is forwarded to pluggable KmsClient that skips host validation
    Summary
    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 (specified in the KmsConnectionConfig) or file-controlled. If the user does not leverage application control for this parameter, a file-controlled KMS URL is forwarded to a pluggable KmsClient implementation. If the KMS implementation does not perform host validation and makes use of the provided KMS URL, a KMS token can be sent to a malicious host set by an attacker in the file.  Users are recommended to upgrade to version 26.0.0, which disables this behavior by default and requires that users opt-in to it by enabling the read_kms_url flag in the DecryptionConfiguration. Users of affected versions are recommended to either specify the KMS URL in the KmsConnectionConfig when reading files, or ensure any KmsClient implementations validate received KMS URLs. Users that opt-in to file-controlled KMS URLs in version 26.0.0 and later must ensure KmsClients validate KMS URLs.
    Severity
    No CVSS data available.
    CWE
    • CWE-20 - Improper input validation
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1085 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache Arrow C++ Affected: 4.0.0 , < 26.0.0 (semver)
    Unaffected: 26.0.0 (semver)
    		Create a notification for this product.
    Apache Software Foundation PyArrow Affected: 8.0.0 , < 26.0.0 (semver)
    Unaffected: 26.0.0 (semver)
    		Create a notification for this product.
    Credits
    n0mi1k
    Show details on NVD website
    To clipboard 

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    CVE-2023-47248 (GCVE-0-2023-47248)

    Vulnerability from cvelistv5 – Published: 2023-11-09 08:17 – Updated: 2025-02-13 17:17
    VLAI Shadowserver Previdian
    Title
    PyArrow, PyArrow: Arbitrary code execution when loading a malicious data file
    Summary
    Deserialization of untrusted data in IPC and Parquet readers in PyArrow versions 0.14.0 to 14.0.0 allows arbitrary code execution. An application is vulnerable if it reads Arrow IPC, Feather or Parquet data from untrusted sources (for example user-supplied input files). This vulnerability only affects PyArrow, not other Apache Arrow implementations or bindings. It is recommended that users of PyArrow upgrade to 14.0.1. Similarly, it is recommended that downstream libraries upgrade their dependency requirements to PyArrow 14.0.1 or later. PyPI packages are already available, and we hope that conda-forge packages will be available soon. If it is not possible to upgrade, we provide a separate package `pyarrow-hotfix` that disables the vulnerability on older PyArrow versions. See https://pypi.org/project/pyarrow-hotfix/ for instructions.
    Severity
    No CVSS data available.
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1085 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation PyArrow Affected: 0.14.0 , ≤ 14.0.0 (semver)
    		Create a notification for this product.
    Credits
    Li Jiakun - laoquanshi
    Show details on NVD website
    To clipboard 

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