CVE-2025-69230
published 2026-01-06CVE-2025-69230: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a…
PriorityP430medium5.3CVSS 3.1
AVNACLPRNUINSUCLINAN
EPSS
0.33%
25.3th percentile
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| aio-libs | aiohttp | < 3.13.3 | 3.13.3 |
| aiohttp | aiohttp | < 3.13.3 | 3.13.3 |
| aiohttp | aiohttp | >= 0 < 3.13.3 | 3.13.3 |
| debian | python-aiohttp | < python-aiohttp 3.13.3-1 (forky) | python-aiohttp 3.13.3-1 (forky) |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvdv4.02.7LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
osv2.7LOW
vendor_debian2.7LOW
vendor_redhat2.7LOW
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Red Hat
aiohttp: aiohttp: Denial of Service via specially crafted invalid cookies
vendor_redhat·2026-01-05·CVSS 2.7
CVE-2025-69230 [LOW] CWE-779 aiohttp: aiohttp: Denial of Service via specially crafted invalid cookies
aiohttp: aiohttp: Denial of Service via specially crafted invalid cookies
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
A flaw was found in aiohttp, an asynchronous HTTP client/server framework for asyncio and Python. A remote attacker can exploit this vulnerability by sending multiple specially crafted invalid cookies. This can trigger a storm of warning-level logs, leading to a Denial of Service (DoS) condition where the application's resources are exhausted.
Stateme
Debian
CVE-2025-69230: python-aiohttp - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. ...
vendor_debian·2025·CVSS 2.7
CVE-2025-69230 [LOW] CVE-2025-69230: python-aiohttp - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. ...
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
Scope: local
bookworm: open
bullseye: open
forky: resolved (fixed in 3.13.3-1)
sid: resolved (fixed in 3.13.3-1)
trixie: open
OSV
CVE-2025-69230: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
osv·2026-01-06·CVSS 2.7
CVE-2025-69230 [LOW] CVE-2025-69230: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
GHSA
AIOHTTP Vulnerable to Cookie Parser Warning Storm
ghsa·2026-01-05
CVE-2025-69230 [LOW] CWE-779 AIOHTTP Vulnerable to Cookie Parser Warning Storm
AIOHTTP Vulnerable to Cookie Parser Warning Storm
### Summary
Reading multiple invalid cookies can lead to a logging storm.
### Impact
If the ``cookies`` attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header.
----
Patch: https://github.com/aio-libs/aiohttp/commit/64629a0834f94e46d9881f4e99c41a137e1f3326
OSV
AIOHTTP Vulnerable to Cookie Parser Warning Storm
osv·2026-01-05
CVE-2025-69230 [LOW] AIOHTTP Vulnerable to Cookie Parser Warning Storm
AIOHTTP Vulnerable to Cookie Parser Warning Storm
### Summary
Reading multiple invalid cookies can lead to a logging storm.
### Impact
If the ``cookies`` attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header.
----
Patch: https://github.com/aio-libs/aiohttp/commit/64629a0834f94e46d9881f4e99c41a137e1f3326
No detection rules found.
No public exploits indexed.
Wiz
CVE-2025-69230 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 2.7
CVE-2025-69230 [LOW] CVE-2025-69230 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-69230 :
Wolfi vulnerability analysis and mitigation
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
Source : NVD
## 2.7
Score
Published January 6, 2026
Severity LOW
CNA Score 2.7
Affected Technologies
Wolfi
Chainguard
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 2.5
Exploitation Probability (EPSS) N/A
Affected packages and libraries
dask-kubernetes
k
Bugzilla
CVE-2025-69230 aiohttp: aiohttp: Denial of Service via specially crafted invalid cookies
bugzilla·2026-01-06·CVSS 2.7
CVE-2025-69230 [LOW] CVE-2025-69230 aiohttp: aiohttp: Denial of Service via specially crafted invalid cookies
CVE-2025-69230 aiohttp: aiohttp: Denial of Service via specially crafted invalid cookies
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
2026-01-06
Published