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    CVE-2026-111066

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. From 2.0.0 until 3.14.4, multipart request processing can retain an unbounded number of open file descriptors. An unauthenticated attacker can consequently exhaust file descriptors with specially crafted multipart requests when a handler uses Request.post(). This issue is fixed in version 3.14.4.

    Published:Oct 19, 2026
    Last Modified:Oct 20, 2026
    EPS:Oct 19, 2026
    EPSS Score:0.00381
    CVSS Score:7.5

    Affected Products

    Vendor
    Aio-libs
    Product
    Aiohttp

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-111064 (CVSS 8.2) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, keepalive tim…
    CVE-2026-111063 (CVSS 6.3) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, the Secure at…
    CVE-2026-69244 (CVSS 7.1) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.3, an out-of-bou…
    CVE-2026-69243 (CVSS 6.3) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the HTTP pars…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High