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Update dependency aiohttp to v3.14.1#226

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renovate/aiohttp-3.x
Jun 8, 2026
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Update dependency aiohttp to v3.14.1#226
renovate[bot] merged 1 commit into
mainfrom
renovate/aiohttp-3.x

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@renovate renovate Bot commented Jun 8, 2026

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This PR contains the following updates:

Package Change Age Confidence
aiohttp ==3.14.0==3.14.1 age confidence

Release Notes

aio-libs/aiohttp (aiohttp)

v3.14.1: 3.14.1

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Bug fixes

  • Fixed a race condition in :py:class:~aiohttp.TCPConnector where closing the connector while a DNS resolution was in-flight could raise :py:exc:AttributeError instead of :py:exc:~aiohttp.ClientConnectionError -- by :user:goingforstudying-ctrl.

    Related issues and pull requests on GitHub:
    #​12497.

  • Fixed CancelledError not closing a connection -- by :user:aiolibsbot.

    Related issues and pull requests on GitHub:
    #​12795.

  • Tightened up some websocket parser checks -- by :user:Dreamsorcerer.

    Related issues and pull requests on GitHub:
    #​12817.

  • Fixed :class:~aiohttp.CookieJar dropping the host-only flag of cookies when persisted with :meth:~aiohttp.CookieJar.save and reloaded with :meth:~aiohttp.CookieJar.load, so a cookie set without a Domain attribute is again scoped to the exact host that set it after a reload; the absolute expiration deadline is now persisted as well, so a reloaded cookie keeps its original lifetime instead of being rescheduled from the load time. :meth:~aiohttp.CookieJar.load now replaces the jar contents rather than merging onto prior state, and loaded cookies pass through the same acceptance rules as :meth:~aiohttp.CookieJar.update_cookies, so a cookie for an IP-address host is dropped when loaded into a jar created without unsafe=True -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12824.

  • Scoped :class:~aiohttp.DigestAuthMiddleware credentials to the origin of the first request it handles, so a redirect to a different origin no longer triggers a digest response computed from the configured credentials; a challenge from another origin is only answered when that origin falls within a protection space advertised by the anchor origin through the RFC 7616 domain directive -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12825.

  • Fixed the C HTTP parser not enforcing max_line_size on a request target or response reason phrase that is split across multiple reads; each fragment was checked on its own, so an accumulated line could exceed the limit without raising LineTooLong. The accumulated length is now checked, matching the pure-Python parser -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12826.

  • Changed :class:~aiohttp.TCPConnector to reject legacy non-canonical numeric IPv4 host forms such as 2130706433, 017700000001 and 127.1 with :exc:~aiohttp.InvalidUrlClientError; only canonical dotted-quad IPv4 literals are now treated as IP address literals, while every other host is sent through the configured resolver -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12827.

  • Fixed :meth:~aiohttp.StreamReader.readany and :meth:~aiohttp.StreamReader.read_nowait joining data fed back into the buffer during the call (when draining below the low water mark resumes reading) into a single unbounded :class:bytes; a call now returns only the chunks that were buffered when it started, keeping the drain of an unread auto-decompressed request body bounded by the read buffer -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12828.

  • Bounded the number of parsed-but-unhandled pipelined HTTP/1 requests buffered per connection on the server; once the queue reaches an internal limit the parser stops emitting and the transport is paused, resuming as the request handler drains the queue, so a client keeping one handler busy can no longer accumulate an unbounded backlog of pipelined requests -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12830.

  • Fixed :meth:aiohttp.web.Response.write_eof skipping Payload.close() when the body write was interrupted by an error or cancellation, for example when a client disconnects mid-response; the payload close hook now runs in a finally so a :class:~aiohttp.payload.Payload body always releases its resources -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12831.

  • Fixed the pure-Python HTTP parser not enforcing max_line_size on a chunk-size line when the whole line arrived in a single read; the limit was only applied to chunk-size metadata split across reads. The complete-line case is now checked too, matching the split-line behavior -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12832.

  • Included the per-request server_hostname override in the :class:~aiohttp.TCPConnector connection pool key, so a pooled TLS connection is no longer reused for a request that sets server_hostname to a different value -- by :user:bdraco.

    Related issues and pull requests on GitHub:
    #​12835.



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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.27%. Comparing base (8dcd3f0) to head (e6778f8).

Additional details and impacted files
@@           Coverage Diff           @@
##             main     #226   +/-   ##
=======================================
  Coverage   85.27%   85.27%           
=======================================
  Files           8        8           
  Lines         774      774           
=======================================
  Hits          660      660           
  Misses        114      114           

☔ View full report in Codecov by Harness.
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@renovate renovate Bot merged commit e062f8d into main Jun 8, 2026
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@renovate renovate Bot deleted the renovate/aiohttp-3.x branch June 8, 2026 06:07
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