Vulnerability DatabaseCVE-2026-22815
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CVE-2026-22815
Published:April 01, 2026
Updated:April 25, 2026
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.
Affected Packages
https://github.com/aio-libs/aiohttp.git (GITHUB):
Affected version(s) >=v0.1 <v3.13.4
Fix Suggestion:
Update to version v3.13.4
aiohttp (PYTHON):
Affected version(s) >=0.1 <3.13.4
Fix Suggestion:
Update to version 3.13.4
Related Resources (5)
https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-w2fm-2cpv-w7v5
https://github.com/aio-libs/aiohttp
https://github.com/aio-libs/aiohttp/commit/0c2e9da51126238a421568eb7c5b53e5b5d17b36
https://nvd.nist.gov/vuln/detail/CVE-2026-22815
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
Allocation of Resources Without Limits or Throttling
CWE-770
EPSS
Base Score:
0.05