How many CVEs have patched _connect_and_send_request?

3 published CVEs changed _connect_and_send_request in aio-libs/aiohttp, in 3 distinct patches totalling 4 changed lines, between 2026 and 2026.

What is the latest CVE that changed _connect_and_send_request?

CVE-2026-47265 (AIOHTTP vulnerable to cross-origin redirect with per-request cookies), published 2026-06-02, changed lines 974 of aiohttp/client.py.

How does _connect_and_send_request compare to the rest of aio-libs/aiohttp?

aio-libs/aiohttp has 42 CVEs with a located fix in total; 3 of them changed _connect_and_send_request.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

aio-libs/aiohttp

Function

_connect_and_send_request

Name: _connect_and_send_request in aio-libs/aiohttp: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

aiohttp/client.py

Last patched June 2, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

_connect_and_send_request in aio-libs/aiohttp was changed by 3 published CVE fixes in 2026, in 3 distinct patches that added or removed 4 lines in total.

aio-libs/aiohttp has 42 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed _connect_and_send_request, newest first, with the lines each fix touched.

AIOHTTP vulnerable to cross-origin redirect with per-request cookies
CVE-2026-47265 · line 974 · +1 −0
Medium · CVSS 6.6
EPSS 0.2%2026-06-02
AIOHTTP: Cookie and Proxy-Authorization headers leaked on cross-origin redirect
CVE-2026-34518 · lines 896–897 · +2 −0
Low · CVSS 2.7
EPSS 0.4%2026-04-01
AIOHTTP: Uncapped memory usage possible through aiohttp allowing unlimited trailer headers
CVE-2026-22815 · line 761 · +1 −0
Medium · CVSS 6.9
EPSS 0.4%2026-04-01

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in aio-libs/aiohttp changed by the most CVE fixes.

parse_headers8 CVEs · aiohttp/http_parser.py feed_data7 CVEs · aiohttp/http_parser.py get_content_length6 CVEs · aiohttp/http_parser.py __init__5 CVEs · aiohttp/http_parser.py parse_message4 CVEs · aiohttp/http_parser.py post4 CVEs · aiohttp/web_request.py

All patched functions in aio-libs/aiohttp

Frequently asked questions

Common questions about CVE fixes to _connect_and_send_request.

How many CVEs have patched _connect_and_send_request?: 3 published CVEs changed _connect_and_send_request in aio-libs/aiohttp, in 3 distinct patches totalling 4 changed lines, between 2026 and 2026.
What is the latest CVE that changed _connect_and_send_request?: CVE-2026-47265 (AIOHTTP vulnerable to cross-origin redirect with per-request cookies), published 2026-06-02, changed lines 974 of aiohttp/client.py.
How does _connect_and_send_request compare to the rest of aio-libs/aiohttp?: aio-libs/aiohttp has 42 CVEs with a located fix in total; 3 of them changed _connect_and_send_request.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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