AdonisJS up to 10.1.4/11.0.2 Bodyparser set blocking code in single-threaded, non-blocking context

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.44

Summaryinfo

A vulnerability marked as critical has been reported in AdonisJS up to 10.1.4/11.0.2. Impacted is the function Set of the component Bodyparser. The manipulation leads to use of blocking code in single-threaded, non-blocking context. This vulnerability is traded as CVE-2026-48795. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in AdonisJS up to 10.1.4/11.0.2. It has been rated as critical. This issue affects the function set of the component Bodyparser. The manipulation with an unknown input leads to a use of blocking code in single-threaded, non-blocking context vulnerability. Using CWE to declare the problem leads to CWE-1322. The product uses a non-blocking model that relies on a single threaded process for features such as scalability, but it contains code that can block when it is invoked. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

AdonisJS is a TypeScript-first web framework. From 10.1.3 until 10.1.5 and 11.0.3, AdonisJS @adonisjs/bodyparser incompletely fixed CVE-2026-25754 because nested multipart field payloads such as user.__proto__.polluted and constructor.prototype still caused lodash _.set() via @poppinss/utils to create plain intermediate objects and pollute Object.prototype. This issue is fixed in versions 10.1.5 and 11.0.3.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-48795 since 05/22/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 10.1.5 or 11.0.3 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use of blocking code in single-threaded, non-blocking context
CWE: CWE-1322 / CWE-362
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: AdonisJS 10.1.5/11.0.3

Timelineinfo

05/22/2026 CVE reserved
07/15/2026 +54 days VulDB entry created
07/16/2026 +0 days Advisory disclosed
07/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-48795 (🔒)
GCVE (CVE): GCVE-0-2026-48795
GCVE (VulDB): GCVE-100-379439

Entryinfo

Created: 07/16/2026 00:11
Changes: 07/16/2026 00:11 (53)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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