aio-libs aiohttp up to 3.13.3 resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.69-

Summaryinfo

A vulnerability classified as problematic was found in aio-libs aiohttp up to 3.13.3. This affects an unknown part. The manipulation results in resource consumption. This vulnerability is cataloged as CVE-2026-22815. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in aio-libs aiohttp up to 3.13.3. Affected is an unknown function. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-22815 since 01/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 3.13.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 0c2e9da51126238a421568eb7c5b53e5b5d17b36 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: aiohttp 3.13.4
Patch: 0c2e9da51126238a421568eb7c5b53e5b5d17b36

Timelineinfo

01/09/2026 CVE reserved
04/02/2026 +82 days Advisory disclosed
04/02/2026 +0 days VulDB entry created
04/02/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-w2fm-2cpv-w7v5
Status: Confirmed

CVE: CVE-2026-22815 (🔒)
GCVE (CVE): GCVE-0-2026-22815
GCVE (VulDB): GCVE-100-354774

Entryinfo

Created: 04/02/2026 02:33
Changes: 04/02/2026 02:33 (70)
Complete: 🔍
Cache ID: 216:8CE:103

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