Medium

aiohttp has vulnerable dependency that is vulnerable to request smuggling

  • Disclosed: 27.11.2023
  • Updated: 11.10.2026 15:17

Summary

llhttp 8.1.1 is vulnerable to two request smuggling vulnerabilities. Details have not been disclosed yet, so refer to llhttp for future information. The issue is resolved by using llhttp 9+ (which is included in aiohttp 3.8.6+).

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) aiohttp < 3.8.6 3.8.6

References

CVSS score -
Weakness (CWE)
CWE-444
Platform
Python (PyPI)
Package
aiohttp
Disclosed
27.11.2023
Updated
11.10.2026 15:17

Sources and licenses

OSV / GitHub Advisory Database - GHSA-pjjw-qhg8-p2p9 - CC BY 4.0

Vulnerability history: aiohttp

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (55) in the archive
Total entries
55
First → latest
02.2021 10.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 7
  • Medium 29
  • Low 19

Disclosures per year

  1. 2021: 1
  2. 2022: 0
  3. 2023: 6
  4. 2024: 7
  5. 2025: 1
  6. 2026: 40
Severity:
  1. High CVE-2026-111066 >= 2.0.0, < 3.14.4 3.14.4
  2. High CVE-2026-111064 < 3.14.4 3.14.4
  3. High · 5.9 CVE-2024-23334 >= 1.0.5, < 3.9.2 3.9.2
  4. aiohttp has vulnerable dependency that is vulnerable to request smuggling this entry
    Medium ghsa-pjjw-qhg8-p2p9 < 3.8.6 3.8.6

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