Axios <1.13.5 mergeConfig Crash DDoS
CVE-2026-25639 Published on February 9, 2026

Axios affected by Denial of Service via __proto__ Key in mergeConfig
Axios is a promise based HTTP client for the browser and Node.js. Prior to versions 0.30.3 and 1.13.5, the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing __proto__ as an own property. An attacker can trigger this by providing a malicious configuration object created via JSON.parse(), causing complete denial of service. This vulnerability is fixed in versions 0.30.3 and 1.13.5.

Github Repository Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-25639 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Types

Improper Check for Unusual or Exceptional Conditions

The software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software.

Improper Validation of Specified Type of Input

The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.


Products Associated with CVE-2026-25639

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-25639 are published in these products:

Axios
 
Red Hat Ansible Automation Platform
 
Red Hat Ansible Automation Platform Developer
 
Red Hat Ansible Automation Platform Inside
 
Red Hat Network Observ Optr
 
Red Hat Acm
 
Red Hat Rhdh
 
Red Hat Discovery
 
Red Hat Rhmt
 
Red Hat Openshift Ai
 
Red Hat Openshift
 
Red Hat Openshift Devspaces
 
Red Hat Openshift Pipelines
 
Red Hat Service Mesh
 
Red Hat Quay
 
Red Hat Satellite
 
Red Hat Trusted Artifact Signer
 
Red Hat Multicluster Engine
 
Red Hat Logging
 
Red Hat Migration Toolkit Applications
 
Red Hat 3scale Amp
 
Red Hat Service Registry
 
Red Hat Podman Desktop
 
Red Hat Enterprise Linux Ai
 
Red Hat Jboss Fuse
 
Red Hat Container Native Virtualization
 
Red Hat Trusted Profile Analyzer
 
Red Hat Ansible Portal
 
Red Hat Amq Streams
 
Red Hat Cryostat
 
Red Hat Gatekeeper
 
Red Hat Advanced Cluster Security
 
Red Hat Apache Camel Hawtio
 
Red Hat Kueue Operator
 
Red Hat Jboss Data Grid
 
Red Hat Enterprise Linux (RHEL)
 
Red Hat Jboss Enterprise Bpms Platform
 
Oracle
 

Affected Versions

axios: Red Hat Ansible Automation Platform 2.6 for RHEL 9: Red Hat multicluster engine for Kubernetes 2.10: Red Hat multicluster engine for Kubernetes 2.6: Red Hat multicluster engine for Kubernetes 2.7: Red Hat multicluster engine for Kubernetes 2.8: Red Hat multicluster engine for Kubernetes 2.9: Red Hat Network Observability (NETOBSERV) 1.11.0: Red Hat Network Observability (NETOBSERV) 1.11.0: Red Hat Advanced Cluster Management for Kubernetes 2.11: Red Hat Advanced Cluster Management for Kubernetes 2.12: Red Hat Advanced Cluster Management for Kubernetes 2.13: Red Hat Advanced Cluster Management for Kubernetes 2.14: Red Hat Advanced Cluster Management for Kubernetes 2.15: Red Hat Ansible Automation Platform 2.5: Red Hat Ansible Automation Platform 2.6: Red Hat Ansible Automation Platform 2.6: Red Hat Developer Hub 1.8: Red Hat Developer Hub 1.9: Red Hat Discovery 2: Red Hat Migration Toolkit 1.8: Red Hat OpenShift AI 2.16: Red Hat OpenShift AI 2.25: Red Hat OpenShift AI 2.25: Red Hat OpenShift AI 3.3: Red Hat OpenShift AI 3.3: Red Hat OpenShift AI 3.3: Red Hat OpenShift Container Platform 4.19: Red Hat OpenShift Container Platform 4.20: Red Hat OpenShift Container Platform 4.21: Red Hat OpenShift Dev Spaces 3.27: Red Hat OpenShift Dev Spaces 3.27: Red Hat OpenShift Dev Spaces 3.27: Red Hat OpenShift Pipelines 1.21: Red Hat OpenShift Service Mesh 2.6: Red Hat OpenShift Service Mesh 2.6: Red Hat OpenShift Service Mesh 3.0: Red Hat OpenShift Service Mesh 3.0: Red Hat OpenShift Service Mesh 3.1: Red Hat OpenShift Service Mesh 3.1: Red Hat OpenShift Service Mesh 3.2: Red Hat OpenShift Service Mesh 3.2: Red Hat Quay 3.1: Red Hat Quay 3.12: Red Hat Quay 3.15: Red Hat Quay 3.16: Red Hat Quay 3.9: Red Hat Satellite 6.18: Red Hat Satellite 6.18: Red Hat Satellite 6.18: Red Hat Trusted Artifact Signer 1.3: Red Hat Cryostat 4: Red Hat Gatekeeper 3: Logging Subsystem for Red Hat OpenShift: Logging Subsystem for Red Hat OpenShift: Logging Subsystem for Red Hat OpenShift: Logging Subsystem for Red Hat OpenShift: Logging Subsystem for Red Hat OpenShift: Logging Subsystem for Red Hat OpenShift: Red Hat Migration Toolkit for Applications 8: Red Hat OpenShift Pipelines: Red Hat OpenShift Pipelines: Red Hat OpenShift Pipelines: Red Hat OpenShift Service Mesh 3: Red Hat OpenShift Service Mesh 3: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat 3scale API Management Platform 2: Red Hat Advanced Cluster Security 4: Red Hat Ansible Automation Platform 2: Red Hat Ansible Automation Platform 2: Red Hat Ansible Automation Platform 2: Red Hat Ansible Automation Platform 2: Red Hat Ansible Automation Platform 2: Red Hat Ansible Automation Platform 2: Red Hat Ansible Automation Platform 2: Red Hat Ansible Automation Platform 2: Red Hat build of Apache Camel - HawtIO 4: Red Hat build of Apicurio Registry 2: Red Hat Build of Kueue: Red Hat Build of Kueue: Red Hat Build of Kueue: Red Hat Build of Kueue: Red Hat Build of Podman Desktop - Tech Preview: Red Hat Data Grid 8: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 9: Red Hat Enterprise Linux AI (RHEL AI) 3: Red Hat Enterprise Linux AI (RHEL AI) 3: Red Hat Fuse 7: Red Hat OpenShift AI (RHOAI): Red Hat OpenShift AI (RHOAI): Red Hat OpenShift Container Platform 4: Red Hat OpenShift Container Platform 4: Red Hat OpenShift Container Platform 4: Red Hat OpenShift Dev Spaces: Red Hat OpenShift Virtualization 4: Red Hat OpenShift Virtualization 4: Red Hat Process Automation 7: Red Hat Trusted Artifact Signer: Red Hat Trusted Artifact Signer: Red Hat Trusted Artifact Signer: Red Hat Trusted Artifact Signer: Red Hat Trusted Artifact Signer: Red Hat Trusted Artifact Signer: Red Hat Trusted Profile Analyzer: Red Hat Self-service automation portal 2: Red Hat streams for Apache Kafka 2: Red Hat streams for Apache Kafka 3:

Vulnerable Packages

The following package name and versions may be associated with CVE-2026-25639

Package Manager Vulnerable Package Versions Fixed In
npm axios <= 0.30.2 0.30.3
npm axios >= 1.0.0, <= 1.13.4 1.13.5

Exploit Probability

EPSS
2.50%
Percentile
83.03%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.