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    2 vulnerabilities by Anyscale, Inc

    CVE-2026-57516 (GCVE-0-2026-57516)

    Vulnerability from nvd – Published: 2026-07-01 16:36 – Updated: 2026-07-01 17:53 X_Open Source
    VLAI
    Title
    Ray < 2.56.0 Unsafe Deserialization RCE via WebDataset Reader
    Summary
    Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the read_webdataset() function. The _default_decoder() function in webdataset_datasource.py unconditionally calls pickle.loads() on tar entries with .pkl/.pickle extensions and torch.load() with weights_only=False on .pt/.pth entries, executing arbitrary code inside Ray remote workers on every worker that processes the malicious archive.
    Severity
    8.6 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    Anyscale, Inc Ray Affected: 0 , < 2.56.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-05-18 00:00
    Credits
    jeremysommerfeld8910-cpu shakevsky alexchenai SSJCorpSec thesecguy45 sfwani Rahul Karne
    Show details on NVD website
    To clipboard 

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    CVE-2026-57516 (GCVE-0-2026-57516)

    Vulnerability from cvelistv5 – Published: 2026-07-01 16:36 – Updated: 2026-07-01 17:53 X_Open Source
    VLAI
    Title
    Ray < 2.56.0 Unsafe Deserialization RCE via WebDataset Reader
    Summary
    Ray prior to 2.56.0 contains an unsafe deserialization vulnerability in the WebDataset reader that allows attackers to achieve remote code execution by supplying a malicious tar archive to the read_webdataset() function. The _default_decoder() function in webdataset_datasource.py unconditionally calls pickle.loads() on tar entries with .pkl/.pickle extensions and torch.load() with weights_only=False on .pt/.pth entries, executing arbitrary code inside Ray remote workers on every worker that processes the malicious archive.
    Severity
    8.6 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    Anyscale, Inc Ray Affected: 0 , < 2.56.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-05-18 00:00
    Credits
    jeremysommerfeld8910-cpu shakevsky alexchenai SSJCorpSec thesecguy45 sfwani Rahul Karne
    Show details on NVD website
    To clipboard 

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