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    2 vulnerabilities by CoreBunch

    CVE-2026-72587 (GCVE-0-2026-72587)

    Vulnerability from nvd – Published: 2026-08-10 10:41 – Updated: 2026-08-10 13:21
    VLAI
    Title
    Instatic - Cache Poisoning via Unauthenticated Server Island Endpoint
    Summary
    A cache poisoning vulnerability in CoreBunch/Instatic through 0.0.14 allows an unauthenticated remote attacker to poison the shared process-wide render cache by manipulating the u query parameter of the GET /_instatic/hole/<nodeId> server island endpoint.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-10 13:21 UTC
    CWE
    • CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
    Assigner
    References
    URL Tags
    https://github.com/CoreBunch/Instatic third-party-advisory
    Impacted products
    Vendor Product Version
    CoreBunch Instatic Affected: 0 , ≤ 0.0.14 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-10 10:32
    Credits
    Komiljon Ayubov
    Show details on NVD website
    To clipboard 

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    CVE-2026-72587 (GCVE-0-2026-72587)

    Vulnerability from cvelistv5 – Published: 2026-08-10 10:41 – Updated: 2026-08-10 13:21
    VLAI
    Title
    Instatic - Cache Poisoning via Unauthenticated Server Island Endpoint
    Summary
    A cache poisoning vulnerability in CoreBunch/Instatic through 0.0.14 allows an unauthenticated remote attacker to poison the shared process-wide render cache by manipulating the u query parameter of the GET /_instatic/hole/<nodeId> server island endpoint.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-10 13:21 UTC
    CWE
    • CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
    Assigner
    References
    URL Tags
    https://github.com/CoreBunch/Instatic third-party-advisory
    Impacted products
    Vendor Product Version
    CoreBunch Instatic Affected: 0 , ≤ 0.0.14 (semver)
    		Create a notification for this product.
    Date Public
    2026-08-10 10:32
    Credits
    Komiljon Ayubov
    Show details on NVD website
    To clipboard 

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