CVE-2025-69230
AIOHTTP Vulnerable to Cookie Parser Warning Storm
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
AIOHTTP Vulnerable to Cookie Parser Warning Storm
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.
- Record
CVE-2025-69230- CVSS 4.0
- 2.7 Low
CVSS: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 - Weakness
- CWE-779
- Updated
- 2026-11-02
EUVDEUVD-2026-1042
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.
- Record
EUVD-2026-1042- CVSS 4.0
- 2.7 Low
CVSS: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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fh55-r93g-j68g
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
- Record
GHSA-fh55-r93g-j68g- CVSS 4.0
- 2.7 Low
CVSS: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 - Weakness
- CWE-779
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-69230- CVSS 4.0
- 2.7 Low
CVSS: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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-779
- Updated
- 2026-11-02
OSVALPINE-CVE-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 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.
- Record
ALPINE-CVE-2025-69230- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
OSV
AIOHTTP Vulnerable to Cookie Parser Warning Storm
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.
- Record
CVE-2025-69230- CVSS 4.0
- 2.7 Low
CVSS: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 - Weakness
- CWE-779
- Updated
- 2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-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 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.
- Record
DEBIAN-CVE-2025-69230- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-fh55-r93g-j68g
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
- Record
GHSA-fh55-r93g-j68g- CVSS 4.0
- 2.7 Low
CVSS: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 - Weakness
- CWE-779
- Updated
- 2026-11-02
OSVPYSEC-2026-1105
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
- Record
PYSEC-2026-1105- CVSS 4.0
- 2.7 Low
CVSS: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 - Updated
- 2026-11-02
OSVROOT-APP-PYPI-CVE-2025-69230
CVE-2025-69230 in aiohttp - Patched by Root
Root has patched CVE-2025-69230 in the aiohttp package for Root:PyPI. Multiple fixed versions available.
- Record
ROOT-APP-PYPI-CVE-2025-69230- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-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 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.
- Record
UBUNTU-CVE-2025-69230- CVSS 4.0
- 2.7 Low
CVSS: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 - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVopenSUSE-SU-2026:10025-1 No score
python311-aiohttp-3.13.3-1.1 on GA media
These are all security issues fixed in the python311-aiohttp-3.13.3-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:10025-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
aiohttpPyPI |
through 3.13.2 | 3.13.3 |
py3-aiohttpAlpine:v3.23 |
before 3.13.3-r0 | 3.13.3-r0 |
py3-aiohttpAlpine:v3.24 |
before 3.13.3-r0 | 3.13.3-r0 |
python-aiohttpDebian:14 |
before 3.13.3-1, plus listed versions 3.11.16-13.12.15-13.13.0-13.13.1-1 |
3.13.3-1 |
aiohttpPyPI |
before 3.13.3, plus listed versions 0.10.10.00.10.10.10.20.11.0 Show 45 moreShow less0.12.00.13.00.13.10.14.00.14.10.14.20.14.30.14.40.15.00.15.10.15.20.15.30.16.00.16.10.16.20.16.30.16.40.16.50.16.60.17.00.17.10.17.20.17.30.17.40.18.00.18.10.18.20.18.30.18.40.19.00.20.20.00.20.10.20.20.21.00.21.10.21.20.21.40.21.50.21.60.22.00.22.0a00.22.0b00.22.0b10.22.0b2 |
3.13.3 |
aiohttpRoot:PyPI |
before 3.12.13+aikido.3 | 3.12.13+aikido.33.10.11+aikido.73.12.14+aikido.33.12.15+aikido.53.12.15+aikido.63.10.11+aikido.83.12.14+aikido.43.12.14+aikido.53.8.6+aikido.53.8.6+aikido.63.8.6+aikido.73.8.6+aikido.83.8.6+aikido.93.12.14+aikido.63.8.6+aikido.103.10.11+aikido.93.8.6+aikido.113.12.14+aikido.73.8.6+aikido.123.8.6+aikido.133.12.14+aikido.83.12.15+aikido.73.12.13+aikido.43.10.11+aikido.103.12.15+aikido.83.10.11+aikido.113.10.11+aikido.123.8.6+aikido.143.12.13+aikido.53.12.15+aikido.93.12.14+aikido.93.8.6+aikido.15 |
python-aiohttpUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 0.17.2-10.17.4-10.17.4-1build10.20.2-10.20.2-1ubuntu0.1~esm1 |
None known |
python-aiohttpUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 2.2.3-1build12.2.3-22.3.6-13.0.1-13.0.1-1ubuntu0.1~esm1 Show 4 moreShow less3.0.1-1ubuntu0.1~esm43.0.1-1ubuntu0.1~esm53.0.1-1ubuntu0.1~esm63.0.1-1ubuntu0.1~esm7 |
None known |
python-aiohttpUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 3.5.4-13.5.4-1build13.6.1-13.6.2-13.6.2-1build1 Show 7 moreShow less3.6.2-1ubuntu0.1~esm13.6.2-1ubuntu13.6.2-1ubuntu1+esm13.6.2-1ubuntu1+esm33.6.2-1ubuntu1+esm43.6.2-1ubuntu1+esm53.6.2-1ubuntu1+esm6 |
None known |
python-aiohttpUbuntu:22.04:LTS |
All versions, plus listed versions 3.7.4-13.7.4-1build23.8.1-33.8.1-43.8.1-4build13.8.1-4ubuntu0.2 |
None known |
python-aiohttpUbuntu:24.04:LTS |
All versions, plus listed versions 3.8.4-13.9.1-13.9.1-1build13.9.1-1ubuntu0.1 |
None known |
python-aiohttpUbuntu:25.10 |
All versions, plus listed versions 3.10.11-1build13.11.16-13.11.16-1ubuntu0.1 |
None known |
python-aiohttpopenSUSE:Tumbleweed From an advisory covering 8 CVEs |
before 3.13.3-1.1 | 3.13.3-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-69230 is a low vulnerability (CVSS 2.7) in Aio-libs Aiohttp, published January 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. Fixed in aiohttp 3.13.3.
References
github.com/aio-libs/aiohttp/security/advisories/GHSA-fh55-r93g-j68g
nvd.nist.gov/vuln/detail/CVE-2025-69230
security.alpinelinux.org/vuln/CVE-2025-69230
Show 13 moreShow less
security-tracker.debian.org/tracker/CVE-2025-69230
pypi.org/project/aiohttp
ubuntu.com/security/CVE-2025-69230
cve.org/CVERecord?id=CVE-2025-69230
suse.com/security/cve/CVE-2025-69223
Left out here: 253 versions. The JSON record has them.