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    1 vulnerability

    CVE-2026-123974 (GCVE-0-2026-123974)

    Vulnerability from cvelistv5 – Published: 2026-11-06 19:52 – Updated: 2026-11-06 20:18 Unsupported When Assigned
    VLAI
    Title
    pytorch/serve: Local privilege escalation through insecure temporary path
    Summary
    In all versions of PyTorch's TorchServe, a predictable extraction directory in /tmp lets a local user swap the model handler and run code as the TorchServe service account leading to local privilege escalation.
    Severity
    7.8 (High)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-11-06 20:18 UTC
    CWE
    • CWE-379 - Creation of temporary file in directory with insecure permissions
    Assigner
    Akrites CNA under the mitre root
    CNA scorecard – unranked: 1 record in the last 180 days, 10 needed details
    References
    Impacted products
    Vendor Product Version
    PyTorch TorchServe Affected: 0 , < * (semver)
    		Create a notification for this product.
    Date Public
    2026-10-29 15:00
    Credits
    Christ Bowel
    Show details on NVD website
    To clipboard 

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          "value": "Three independent fixes:\n\n\n  *  Set TEMP (or pass -Djava.io.tmpdir) to a directory the service account owns and that is not world-writable.\n  *  Harden the systemd unit with PrivateTmp=yes, so /tmp is namespaced per service.\n  *  At the code level, extract into a directory owned by the service account and refuse to reuse a pre-existing extraction root that the service does not own, instead of forceMkdir-ing into whatever is already there."
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