Resource management error in aiohttp - CVE-2025-69230
Published: January 6, 2026
Vulnerability identifier: #VU120997
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-69230
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: aio-libs
Affected software:
aiohttp
aiohttp
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application when reading invalid cookie attributes. A remote attacker can send specially crafted requests to the application and produce a huge amount of log entries, leading to a denial of service condition.
How to mitigate CVE-2025-69230
Install updates from vendor's website.