Axios affected by Denial of Service via __proto__ Key in mergeConfig
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 38 fixed, 15 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| axios | axios | 1.0.0 to before 1.13.5; before 0.30.3 | 1.13.5, 0.30.3 | Patch available | CNA |
| — | axios (npm) | 1.0.0 to before 1.13.5 | 1.13.5 | Patch available | GHSA-43fc-jf86-j433 |
| — | axios (npm) | before 0.30.3 | 0.30.3 | Patch available | GHSA-43fc-jf86-j433 |
- axios Vendoraxios Affected 1.0.0 to before 1.13.5; before 0.30.3 Fixed in 1.13.5, 0.30.3 Patch available CNA
- axios (npm) Vendor— Affected 1.0.0 to before 1.13.5 Fixed in 1.13.5 Patch available GHSA-43fc-jf86-j433
- axios (npm) Vendor— Affected before 0.30.3 Fixed in 0.30.3 Patch available GHSA-43fc-jf86-j433
Remediation
- Fix · CNA axios (axios) Fixed in 1.13.5, 0.30.3
- Fix · GHSA-43fc-jf86-j433 axios (npm) Fixed in 1.13.5 Advisory →
- Fix · GHSA-43fc-jf86-j433 axios (npm) Fixed in 0.30.3 Advisory →
Red Hat 42 advisories
- RHSA-2026:86618 Released 2026-10-21 · Red Hat rating CriticalNew container image: rhceph-9.2
- Red Hat Ceph Storage 9.2 registry.redhat.io/rhceph/rhceph-9-rhel10
- RHSA-2026:41064 Released 2026-07-16 · Red Hat rating ImportantRed Hat Advanced Cluster Management for Kubernetes v2.11.10 security update
- Red Hat Advanced Cluster Management for Kubernetes 2.11 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/console-rhel9, registry.redhat.io/rhacm2/multicluster-operators-subscription-rhel9
- RHSA-2026:36882 Released 2026-07-08 · Red Hat rating ImportantRed Hat Advanced Cluster Management for Kubernetes v2.14.3 security update
- Red Hat Advanced Cluster Management for Kubernetes 2.14 registry.redhat.io/rhacm2/acm-cli-rhel9, registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9, registry.redhat.io/rhacm2/acm-governance-policy-framework-addon-rhel9 +10
Show 39 more Red Hat advisories
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- RHSA-2026:13548 Released 2026-05-04 · Red Hat rating ImportantRed Hat Advanced Cluster Management for Kubernetes v2.15.2 security update
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- RHSA-2026:13542 Released 2026-05-04 · Red Hat rating Importantmulticluster engine for Kubernetes v2.10.2 security update
- multicluster engine for Kubernetes 2.10 registry.redhat.io/multicluster-engine/backplane-rhel9-operator, registry.redhat.io/multicluster-engine/console-mce-rhel9, registry.redhat.io/multicluster-engine/discovery-rhel9 +1
- RHSA-2026:11414 Released 2026-04-28 · Red Hat rating Importantmulticluster engine for Kubernetes v2.9.3 security update
- multicluster engine for Kubernetes 2.9 registry.redhat.io/multicluster-engine/backplane-rhel9-operator, registry.redhat.io/multicluster-engine/cluster-curator-controller-rhel9, registry.redhat.io/multicluster-engine/cluster-image-set-controller-rhel9 +5
- RHSA-2026:10184 Released 2026-04-23 · Red Hat rating ImportantRHOAI 2.25.5 - Red Hat OpenShift AI
- Red Hat OpenShift AI 2.25 registry.redhat.io/rhoai/odh-caikit-nlp-rhel9, registry.redhat.io/rhoai/odh-caikit-tgis-serving-rhel9, registry.redhat.io/rhoai/odh-dashboard-rhel9 +47
- RHSA-2026:9848 Released 2026-04-22 · Red Hat rating Importantmulticluster engine for Kubernetes v2.6.10 security update
- multicluster engine for Kubernetes 2.6 registry.redhat.io/multicluster-engine/backplane-rhel9-operator, registry.redhat.io/multicluster-engine/console-mce-rhel9, registry.redhat.io/multicluster-engine/discovery-rhel9 +1
- RHSA-2026:8501 Released 2026-04-16 · Red Hat rating CriticalTechnical preview of the satellite/iop-vulnerability-frontend-rhel9 container image
- Red Hat Satellite 6.18 registry.redhat.io/satellite/iop-vulnerability-frontend-rhel9
- RHSA-2026:8500 Released 2026-04-16 · Red Hat rating CriticalGeneral availability of the satellite/iop-host-inventory-frontend-rhel9 container image
- Red Hat Satellite 6.18 registry.redhat.io/satellite/iop-host-inventory-frontend-rhel9
- RHSA-2026:8499 Released 2026-04-16 · Red Hat rating CriticalGeneral availability of the satellite/iop-advisor-frontend-rhel9 container image
- Red Hat Satellite 6.18 registry.redhat.io/satellite/iop-advisor-frontend-rhel9
- RHSA-2026:7249 Released 2026-04-16 · Red Hat rating ImportantOpenShift Container Platform 4.19.28 bug fix and security update
- Red Hat OpenShift Container Platform 4.19 registry.redhat.io/openshift4/aws-karpenter-provider-aws-rhel9, registry.redhat.io/openshift4/aws-kms-encryption-provider-rhel9, registry.redhat.io/openshift4/azure-kms-encryption-provider-rhel9 +47
- RHSA-2026:8229 Released 2026-04-15 · Red Hat rating ImportantRed Hat Advanced Cluster Management for Kubernetes v2.13.6 security update
- Red Hat Advanced Cluster Management for Kubernetes 2.13 registry.redhat.io/rhacm2/acm-cli-rhel9, registry.redhat.io/rhacm2/acm-cluster-permission-rhel9, registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9 +12
- RHSA-2026:8218 Released 2026-04-15 · Red Hat rating Importantmulticluster engine for Kubernetes v2.8.5 security update
- multicluster engine for Kubernetes 2.8 registry.redhat.io/multicluster-engine/backplane-rhel9-operator, registry.redhat.io/multicluster-engine/cluster-curator-controller-rhel9, registry.redhat.io/multicluster-engine/cluster-image-set-controller-rhel9 +5
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- RHSA-2026:6567 Released 2026-04-03 · Red Hat rating ImportantRed Hat Quay 3.16.3
- Red Hat Quay 3.16 registry.redhat.io/quay/quay-rhel9
- RHSA-2026:6497 Released 2026-04-02 · Red Hat rating ImportantRed Hat Quay 3.16.3
- Red Hat Quay 3.16 registry.redhat.io/quay/quay-rhel9
- RHSA-2026:6428 Released 2026-04-02 · Red Hat rating ImportantNetwork Observability 1.11.1 for OpenShift
- Network Observability (NETOBSERV) 1.11.0 registry.redhat.io/network-observability/network-observability-cli-rhel9, registry.redhat.io/network-observability/network-observability-console-plugin-compat-rhel9, registry.redhat.io/network-observability/network-observability-console-plugin-rhel9 +3
- RHSA-2026:6404 Released 2026-04-01 · Red Hat rating ImportantRed Hat Ansible Automation Platform 2.6 Container Release Update
- Red Hat Ansible Automation Platform 2.6 registry.redhat.io/ansible-automation-platform-26/gateway-rhel9, registry.redhat.io/ansible-automation-platform-26/hub-rhel9, registry.redhat.io/ansible-automation-platform-26/lightspeed-chatbot-rhel9 +2
- RHSA-2026:6309 Released 2026-03-31 · Red Hat rating ImportantRed Hat Ansible Automation Platform 2.6 Container Release Update
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- RHSA-2026:6308 Released 2026-03-31 · Red Hat rating ImportantRed Hat Ansible Automation Platform 2.5 Container Release Update
- Red Hat Ansible Automation Platform 2.5 registry.redhat.io/ansible-automation-platform-25/lightspeed-chatbot-rhel8, registry.redhat.io/ansible-automation-platform-25/lightspeed-rhel8
- RHSA-2026:6277 Released 2026-03-31 · Red Hat rating ImportantRed Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update
- Red Hat Ansible Automation Platform 2.6 for RHEL 9 automation-gateway-proxy-2.6.14-1.el9, automation-gateway-proxy-server-2.6.14-1.el9, automation-platform-ui-2.6.7-1.el9ap +1
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- Red Hat OpenShift Dev Spaces 3.27 registry.redhat.io/devspaces/code-rhel9, registry.redhat.io/devspaces/configbump-rhel9, registry.redhat.io/devspaces/dashboard-rhel9 +9
- RHSA-2026:6174 Released 2026-03-30 · Red Hat rating ImportantRed Hat Developer Hub 1.8.5 release.
- Red Hat Developer Hub 1.8 registry.redhat.io/rhdh/rhdh-hub-rhel9, registry.redhat.io/rhdh/rhdh-rhel9-operator
- RHSA-2026:6170 Released 2026-03-30 · Red Hat rating ImportantRed Hat OpenShift Pipelines Release 1.21.1
- Red Hat OpenShift Pipelines 1.21 registry.redhat.io/openshift-pipelines/pipelines-operator-bundle
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- Red Hat OpenShift Container Platform 4.20 registry.redhat.io/openshift4/ose-monitoring-plugin-rhel9
- RHSA-2026:5807 Released 2026-03-25 · Red Hat rating ImportantRHOAI 2.16.4 - Red Hat OpenShift AI
- Red Hat OpenShift AI 2.16 registry.redhat.io/rhoai/odh-codeflare-operator-rhel8, registry.redhat.io/rhoai/odh-dashboard-rhel8, registry.redhat.io/rhoai/odh-data-science-pipelines-argo-argoexec-rhel8 +12
- RHSA-2026:5665 Released 2026-03-24 · Red Hat rating ImportantRed Hat Quay 3.10.19
- Red Hat Quay 3.10 registry.redhat.io/quay/quay-rhel8
- RHSA-2026:5636 Released 2026-03-24 · Red Hat rating Importantmulticluster engine for Kubernetes v2.7.9 security update
- multicluster engine for Kubernetes 2.7 registry.redhat.io/multicluster-engine/backplane-rhel9-operator, registry.redhat.io/multicluster-engine/cluster-proxy-rhel9, registry.redhat.io/multicluster-engine/console-mce-rhel9 +4
- RHSA-2026:5174 Released 2026-03-24 · Red Hat rating ImportantOpenShift Container Platform 4.21.7 bug fix and security update
- Red Hat OpenShift Container Platform 4.21 registry.redhat.io/openshift4/ose-monitoring-plugin-rhel9
- RHSA-2026:5633 Released 2026-03-24 · Red Hat rating ImportantRed Hat Advanced Cluster Management for Kubernetes v2.12.8 security update
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- Red Hat Quay 3.12 registry.redhat.io/quay/quay-rhel8
- RHSA-2026:3109 Released 2026-02-23 · Red Hat rating ImportantKiali 2.17.4 for Red Hat OpenShift Service Mesh 3.2
- Red Hat OpenShift Service Mesh 3.2 registry.redhat.io/openshift-service-mesh/kiali-ossmc-rhel9, registry.redhat.io/openshift-service-mesh/kiali-rhel9
- RHSA-2026:3107 Released 2026-02-23 · Red Hat rating ImportantKiali 1.73.27 for Red Hat OpenShift Service Mesh 2.6
- Red Hat OpenShift Service Mesh 2.6 registry.redhat.io/openshift-service-mesh/kiali-ossmc-rhel8, registry.redhat.io/openshift-service-mesh/kiali-rhel8
- RHSA-2026:3106 Released 2026-02-23 · Red Hat rating ImportantKiali 2.4.13 for Red Hat OpenShift Service Mesh 3.0
- Red Hat OpenShift Service Mesh 3.0 registry.redhat.io/openshift-service-mesh/kiali-ossmc-rhel9, registry.redhat.io/openshift-service-mesh/kiali-rhel9
- RHSA-2026:3105 Released 2026-02-23 · Red Hat rating ImportantKiali 2.11.7 for Red Hat OpenShift Service Mesh 3.1
- Red Hat OpenShift Service Mesh 3.1 registry.redhat.io/openshift-service-mesh/kiali-ossmc-rhel9, registry.redhat.io/openshift-service-mesh/kiali-rhel9
- RHSA-2026:3087 Released 2026-02-23 · Red Hat rating ImportantRHTAS 1.3.2 - Red Hat Trusted Artifact Signer Release
- Red Hat Trusted Artifact Signer 1.3 registry.redhat.io/rhtas/rhtas-console-rhel9, registry.redhat.io/rhtas/rhtas-console-ui-rhel9
- RHSA-2026:2694 Released 2026-02-12 · Red Hat rating ImportantA Subscription Management tool for finding and reporting Red Hat product usage
- Red Hat Discovery 2 registry.redhat.io/discovery/discovery-server-rhel9, registry.redhat.io/discovery/discovery-ui-rhel9
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Logging Subsystem for Red Hat OpenShift | Affected | No fix planned: Will not fix |
| Migration Toolkit for Applications 8 | Affected | No fix yet |
| OpenShift Pipelines | Affected | No fix yet |
| Red Hat 3scale API Management Platform 2 | Affected | No fix yet |
| Red Hat Ansible Automation Platform 2 | Affected | No fix yet |
| Red Hat Build of Podman Desktop - Tech Preview | Affected | No fix yet |
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix planned: Will not fix |
| Red Hat Fuse 7 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
| Red Hat OpenShift Virtualization 4 | Affected | No fix yet |
| Red Hat Trusted Profile Analyzer | Affected | No fix yet |
| Red Hat build of Apicurio Registry 2 | Affected | No fix planned: Will not fix |
| Red Hat build of Apicurio Registry 3 | Affected | No fix yet |
| Self-service automation portal 2 | Affected | No fix yet |
| streams for Apache Kafka 3 | Affected | No fix planned: Will not fix |
| Network Observability (NETOBSERV) 1.11.0 | Fixed | RHSA-2026:6428 |
| Red Hat Advanced Cluster Management for Kubernetes 2.11 | Fixed | RHSA-2026:41064 |
| Red Hat Advanced Cluster Management for Kubernetes 2.12 | Fixed | RHSA-2026:5633 |
| Red Hat Advanced Cluster Management for Kubernetes 2.13 | Fixed | RHSA-2026:8229 |
| Red Hat Advanced Cluster Management for Kubernetes 2.14 | Fixed | RHSA-2026:36882 |
| Red Hat Advanced Cluster Management for Kubernetes 2.15 | Fixed | RHSA-2026:13548 |
| Red Hat Ansible Automation Platform 2.5 | Fixed | RHSA-2026:6308 |
| Red Hat Ansible Automation Platform 2.6 | Fixed | RHSA-2026:6309 |
| Red Hat Ansible Automation Platform 2.6 for RHEL 9 | Fixed | RHSA-2026:6277 |
| Red Hat Ceph Storage 9.2 | Fixed | RHSA-2026:86618 |
| Red Hat Developer Hub 1.8 | Fixed | RHSA-2026:6174 |
| Red Hat Developer Hub 1.9 | Fixed | RHSA-2026:6802 |
| Red Hat Discovery 2 | Fixed | RHSA-2026:2694 |
| Red Hat Migration Toolkit 1.8 | Fixed | RHSA-2026:25041 |
| Red Hat OpenShift AI 2.16 | Fixed | RHSA-2026:5807 |
| Red Hat OpenShift AI 2.25 | Fixed | RHSA-2026:10184 |
| Red Hat OpenShift AI 3.3 | Fixed | RHSA-2026:19712 |
| Red Hat OpenShift Container Platform 4.19 | Fixed | RHSA-2026:7249 |
| Red Hat OpenShift Container Platform 4.20 | Fixed | RHSA-2026:5142 |
| Red Hat OpenShift Container Platform 4.21 | Fixed | RHSA-2026:5174 |
| Red Hat OpenShift Dev Spaces 3.27 | Fixed | RHSA-2026:6192 |
| Red Hat OpenShift Pipelines 1.21 | Fixed | RHSA-2026:6170 |
| Red Hat OpenShift Service Mesh 2.6 | Fixed | RHSA-2026:3107 |
| Red Hat OpenShift Service Mesh 3.0 | Fixed | RHSA-2026:3106 |
| Red Hat OpenShift Service Mesh 3.1 | Fixed | RHSA-2026:3105 |
| Red Hat OpenShift Service Mesh 3.2 | Fixed | RHSA-2026:3109 |
| Red Hat Quay 3.10 | Fixed | RHSA-2026:5665 |
| Red Hat Quay 3.12 | Fixed | RHSA-2026:4942 |
| Red Hat Quay 3.15 | Fixed | RHSA-2026:6568 |
| Red Hat Quay 3.16 | Fixed | RHSA-2026:6497, RHSA-2026:6567 |
| Red Hat Quay 3.9 | Fixed | RHSA-2026:5168 |
| Red Hat Satellite 6.18 | Fixed | RHSA-2026:8499, RHSA-2026:8500, RHSA-2026:8501 |
| Red Hat Trusted Artifact Signer 1.3 | Fixed | RHSA-2026:3087 |
| multicluster engine for Kubernetes 2.10 | Fixed | RHSA-2026:13542 |
| multicluster engine for Kubernetes 2.6 | Fixed | RHSA-2026:9848 |
| multicluster engine for Kubernetes 2.7 | Fixed | RHSA-2026:5636 |
| multicluster engine for Kubernetes 2.8 | Fixed | RHSA-2026:8218 |
| multicluster engine for Kubernetes 2.9 | Fixed | RHSA-2026:11414 |
Not affected: 51 products
- Cryostat 4
- Gatekeeper 3
- Network Observability (NETOBSERV) 1.11.0
- OpenShift Service Mesh 3
- Red Hat AMQ Broker 7
- 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 Advanced Cluster Security 4
- Red Hat Ansible Automation Platform 2
- Red Hat Ansible Automation Platform 2.5
- Red Hat Ansible Automation Platform 2.6
- Red Hat Ansible Automation Platform 2.6 for RHEL 10
- Red Hat Ansible Automation Platform 2.6 for RHEL 9
- Red Hat Build of Kueue
- Red Hat Ceph Storage 9.2
- Red Hat Data Grid 8
- Red Hat Developer Hub 1.8
- Red Hat Developer Hub 1.9
- Red Hat Discovery 2
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Migration Toolkit 1.8
- Red Hat OpenShift AI (RHOAI)
- Red Hat OpenShift AI 2.16
- Red Hat OpenShift AI 2.25
- 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
- Red Hat OpenShift Dev Spaces 3.27
- Red Hat OpenShift Service Mesh 3.2
- Red Hat Process Automation 7
- Red Hat Quay 3.10
- Red Hat Quay 3.12
- Red Hat Quay 3.15
- Red Hat Quay 3.16
- Red Hat Quay 3.9
- Red Hat Trusted Artifact Signer
- Red Hat Trusted Artifact Signer 1.3
- Red Hat build of Apache Camel - HawtIO 4
- Red Hat build of Apache Camel for Spring Boot 4
- multicluster engine for Kubernetes 2.10
- multicluster engine for Kubernetes 2.6
- multicluster engine for Kubernetes 2.7
- multicluster engine for Kubernetes 2.8
- multicluster engine for Kubernetes 2.9
- streams for Apache Kafka 2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-25639
- 2026-10-03 Alias added: GHSA-43fc-jf86-j433
- 2026-10-21 Fix available: RHSA-2026:86618 · Red Hat
- 2026-10-21 Fix available: Red Hat Ceph Storage 9.2 · Red Hat
References
Patch 2
More Axios vulnerabilities
- TI-2026-30422 Server-side request forgery in axios CVSS 3.1CRITICAL 10.0
- TI-2026-32427 Server-side request forgery in axios CVSS 3.1HIGH 8.6
- TI-2026-30578 Axios: Prototype pollution read-side gadgets in HTTP adapter allow credential injection and request hijacking CVSS 3.1CRITICAL 9.1
- TI-2026-32428 Axios: Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy` CVSS 3.1HIGH 8.7
- TI-2025-20009 Possible SSRF and Credential Leakage via Absolute URL in axios Requests CVSS 4.0HIGH 7.7
- TI-2026-32430 Axios: Regular Expression Denial of Service (ReDoS) via Cookie Name Injection CVSS 3.1HIGH 7.5
Sources
- CVE-2026-25639 · CVE Program
- CVE-2026-25639 · NVD
- FIRST EPSS
- GHSA-43fc-jf86-j433 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-25639 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences