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    2 vulnerabilities by spinframework

    CVE-2026-27887 (GCVE-0-2026-27887)

    Vulnerability from nvd – Published: 2026-02-26 00:55 – Updated: 2026-02-26 14:34
    VLAI
    Title
    Spin has memory leaks in various WIT interfaces
    Summary
    Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size (e.g. tables with many rows or large content bodies), Spin may in some cases attempt to buffer the entire response before delivering it to the guest, which can lead to the host process running out of memory, panicking, and crashing. In addition, a malicious guest application could incrementally insert a large number of rows or values into a database and then retrieve them all in a single query, leading to large host allocations. Spin 3.6.1, SpinKube 0.6.2, and `containerd-shim-spin` 0.22.1 have been patched to address the issue. As a workaround, configure Spin to only allow access to trusted databases and HTTP servers which limit response sizes.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    • CWE-774 - Allocation of File Descriptors or Handles Without Limits or Throttling
    • CWE-789 - Memory Allocation with Excessive Size Value
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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        }
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    CVE-2026-27887 (GCVE-0-2026-27887)

    Vulnerability from cvelistv5 – Published: 2026-02-26 00:55 – Updated: 2026-02-26 14:34
    VLAI
    Title
    Spin has memory leaks in various WIT interfaces
    Summary
    Spin is an open source developer tool for building and running serverless applications powered by WebAssembly. When Spin is configured to allow connections to a database or web server which could return responses of unbounded size (e.g. tables with many rows or large content bodies), Spin may in some cases attempt to buffer the entire response before delivering it to the guest, which can lead to the host process running out of memory, panicking, and crashing. In addition, a malicious guest application could incrementally insert a large number of rows or values into a database and then retrieve them all in a single query, leading to large host allocations. Spin 3.6.1, SpinKube 0.6.2, and `containerd-shim-spin` 0.22.1 have been patched to address the issue. As a workaround, configure Spin to only allow access to trusted databases and HTTP servers which limit response sizes.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    • CWE-774 - Allocation of File Descriptors or Handles Without Limits or Throttling
    • CWE-789 - Memory Allocation with Excessive Size Value
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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