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CVE-2025-69228

AIOHTTP vulnerable to denial of service through large payloads

Published: Jan 5, 2026Updated: Jan 14, 2026 Sources: CVE List NVD GHSA BDUCWE-770
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 73.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a request to be crafted in such a way that an AIOHTTP server's memory fills up uncontrollably during processing. If an application includes a handler that uses the Request.post() method, an attacker may be able to freeze the server by exhausting the memory. This issue is fixed in version 3.13.3.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-770

Affected Products

aiohttpaiohttp
Library
OSS Libraries / web-framework
Openshift Service MeshRed Hat Inc.
SaaSSaaS Service
Cloud & SaaS / container-orchestration
Red Hat SatelliteRed Hat Inc.
On-prem
Operating Systems
Red Hat Ansible Automation PlatformRed Hat Inc.
On-premDesktop App
DevTools & CI / ide-editor
Migration Toolkit for ContainersRed Hat Inc.
On-premDev Tool
DevTools & CI / ci-cd
aiohttposs-projectOSS Libraries
red hat inc.commercialUSOperating Systemsaka red hat
and 10 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/aio-libs/aiohttp/commit/b7dbd35375aedbcd712cbae8ad513d56d11cce60
github.com
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-6jhg-hg63-jvvf
github.com
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-6jhg-hg63-jvvf
github.com
and 5 more references View all →

Timeline

Published
Jan 5, 2026
Last Updated
Jan 14, 2026

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