VDB-422458 · CVE-2026-111066 · Nessus 367859

aio-libs AIOHTTP up to 3.14.3 Multipart Request Processing Request.post allocation of resources

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5.1	$0-$5k	0.81

Summaryinfo

A vulnerability categorized as problematic has been discovered in aio-libs AIOHTTP up to 3.14.3. This vulnerability affects the function Request.post of the component Multipart Request Processing. Executing a manipulation can lead to allocation of resources. This vulnerability appears as CVE-2026-111066. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in aio-libs AIOHTTP up to 3.14.3. It has been declared as problematic. This vulnerability affects the function Request.post of the component Multipart Request Processing. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. From 2.0.0 until 3.14.4, multipart request processing can retain an unbounded number of open file descriptors. An unauthenticated attacker can consequently exhaust file descriptors with specially crafted multipart requests when a handler uses Request.post(). This issue is fixed in version 3.14.4.

The advisory is available at github.com. This vulnerability was named CVE-2026-111066 since 10/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 367859 (Linux Distros Unpatched Vulnerability : CVE-2026-111066), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.14.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (367859). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

aio-libs

Name

AIOHTTP

Version

Website

Product: https://github.com/aio-libs/aiohttp/

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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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 367859
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-111066

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: AIOHTTP 3.14.4

Timelineinfo

10/15/2026 CVE reserved
10/19/2026 +4 days Advisory disclosed
10/19/2026 +0 days VulDB entry created
10/20/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-111066 (🔒)
GCVE (CVE): GCVE-0-2026-111066
GCVE (VulDB): GCVE-100-422458

Entryinfo

Created: 10/19/2026 19:13
Updated: 10/20/2026 21:45
Changes: 10/19/2026 19:13 (68), 10/20/2026 21:45 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.