Vulnerability DatabaseCVE-2026-54279
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CVE-2026-54279
Published:June 22, 2026
Updated:August 04, 2026
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lose their host-only status. This vulnerability is fixed in 3.14.1.
Affected Packages
aiohttp (CONDA):
Affected version(s) >=2.0.7 <3.14.1
Fix Suggestion:
Update to version 3.14.1
aiohttp (CONDA):
Affected version(s) >=2.0.7 <3.14.1
Fix Suggestion:
Update to version 3.14.1
aiohttp (PYTHON):
Affected version(s) >=0.1 <3.14.1
Fix Suggestion:
Update to version 3.14.1
Related Resources (5)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54279.json
https://github.com/aio-libs/aiohttp
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8
https://nvd.nist.gov/vuln/detail/CVE-2026-54279
https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2
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CVSS v4
Base Score:
1.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
UNREPORTED
CVSS v3
Base Score:
4.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Initialization
CWE-665
EPSS
Base Score:
0.28