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    CVE-2024-27306

    aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. A XSS vulnerability exists on index pages for static file handling. This vulnerability is fixed in 3.9.4. We have always recommended using a reverse proxy server (e.g. nginx) for serving static files. Users following the recommendation are unaffected. Other users can disable `show_index` if unable to upgrade.

    Published:Apr 18, 2024
    Last Modified:Nov 3, 2025
    EPS:Apr 18, 2024
    EPSS Score:0.00749
    CVSS Score:6.1

    Affected Products

    Vendor
    Aiohttp
    Product
    Aiohttp
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Ansible Automation Platform
    Vendor
    Redhat
    Product
    Rhui
    Vendor
    Redhat
    Product
    Satellite
    Vendor
    Redhat
    Product
    Satellite Capsule

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-47265 (CVSS 6.6) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cooki…
    CVE-2026-34993 (CVSS 6.4) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, using…
    CVE-2026-34525 (CVSS 6.3) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multi…
    CVE-2026-34520 (CVSS 2.7) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C…
    CVE-2026-34519 (CVSS 2.7) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an at…
    CVE-2026-34518 (CVSS 2.7) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when …
    CVE-2026-34517 (CVSS 2.7) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, for s…
    CVE-2026-34516 (CVSS 6.6) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, a res…
    CVE-2026-34515 (CVSS 6.6) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, on Wi…
    CVE-2026-34514 (CVSS 2.7) — AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an at…

    References

    https://github.com/aio-libs/aiohttp/commit/28335525d1eac015a7e7584137678cbb6ff19397
    https://github.com/aio-libs/aiohttp/pull/8319
    https://github.com/aio-libs/aiohttp/security/advisories/GHSA-7gpw-8wmc-pm8g
    https://lists.fedoraproject.org/archives/list/[email protected]/message/2EXRGTN2WG7VZLUZ7WOXU5GQJKCPPHKP/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/NWEI6NIHZ3G7DURDZVMRK7ZEFC2BTD3U/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/ZIVBMPEY7WWOFMC3CWXFBRQPFECV4SW3/
    https://github.com/aio-libs/aiohttp/commit/28335525d1eac015a7e7584137678cbb6ff19397
    https://github.com/aio-libs/aiohttp/pull/8319
    https://github.com/aio-libs/aiohttp/security/advisories/GHSA-7gpw-8wmc-pm8g
    https://lists.debian.org/debian-lts-announce/2025/02/msg00002.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/2EXRGTN2WG7VZLUZ7WOXU5GQJKCPPHKP/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/NWEI6NIHZ3G7DURDZVMRK7ZEFC2BTD3U/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/ZIVBMPEY7WWOFMC3CWXFBRQPFECV4SW3/

    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