--- id: CVE-2026-42039 title: Axios is a promise based HTTP client for the browser and Node.js summary: >- Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, toFormData recursively walks nested objects with no depth limit, so a deeply nested value passed as request data crashes the Node.js process wi… severity: high cvss: 7.5 cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H' cwe: - CWE-674 - CWE-770 vendor: axios product: axios affected: - axios < 0.31.1 - 'axios >= 1.0.0, < 1.15.1' patched: - axios 1.15.1 published: '2026-04-24' updated: '2026-09-10' sourceUpdated: '2026-09-10T13:20:03.880' source: NVD sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-42039' references: - url: 'https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9' label: security-advisories@github.com - url: 'https://access.redhat.com/errata/RHSA-2026:14937' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:16476' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:16532' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:16534' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:16535' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:16542' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:16874' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:17468' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:17474' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:17657' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:17699' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:19109' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:19375' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:20889' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:20938' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:21017' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:21338' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:21772' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:22465' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:22619' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:22629' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:22840' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:23361' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:24473' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:24536' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:24539' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:24853' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:24977' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:25041' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:25089' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:25271' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:25273' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:26214' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:26225' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:33574' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:36882' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:48085' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:48670' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:50300' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/security/cve/CVE-2026-42039' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2461630' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9' label: 134c704f-9b21-4f2e-91b3-4a467353bcc0 - url: >- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42039.json label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://access.redhat.com/errata/RHSA-2026:26234' label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c - url: 'https://www.cve.org/CVERecord?id=CVE-2026-42039' - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-42039' tags: - nvd - cve.org - exploit-available - csaf - vex - red-hat exploitAvailable: true ssvc: exploitation: poc automatable: 'yes' technicalImpact: partial timestamp: '2026-04-24T18:14:11.509943Z' scores: nvd: 7.5 cna: 6.9 vendor: 7.5 epss: 0.00966 epssPercentile: 0.60196 ingestedAt: '2026-07-01T15:50:58.787Z' --- ## Overview Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, toFormData recursively walks nested objects with no depth limit, so a deeply nested value passed as request data crashes the Node.js process with a RangeError. This vulnerability is fixed in 1.15.1 and 0.31.1. ## Affected - `axios < 0.31.1` - `axios >= 1.0.0, < 1.15.1` ## Remediation Upgrade past the affected range: - `axios 1.15.1` ## Vendor advisories - **RHSA-2026:25089** · Red Hat · fixed in: HawtIO HawtIO 4.4.0 · released 2026-06-10 · [advisory](https://access.redhat.com/errata/RHSA-2026:25089) - **RHSA-2026:16874** · Red Hat · fixed in: Network Observability (NETOBSERV) 1.11.0 · released 2026-05-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:16874) - **RHSA-2026:24473** · Red Hat · fixed in: Network Observability (NETOBSERV) 1.12.2 · released 2026-06-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:24473) - **RHSA-2026:36882** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.14 · released 2026-07-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:36882) - **RHSA-2026:24539** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.15 · released 2026-06-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:24539) - **RHSA-2026:25273** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.16 · released 2026-06-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:25273) - **RHSA-2026:20938** · Red Hat · fixed in: Red Hat Advanced Cluster Security 4.9 · released 2026-05-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:20938) - **RHSA-2026:20889** · Red Hat · fixed in: Red Hat Advanced Cluster Security for Kubernetes 4.10 · released 2026-05-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:20889) - **RHSA-2026:22619** · Red Hat · fixed in: Red Hat Data Grid 8.6.1 · released 2026-06-02 · [advisory](https://access.redhat.com/errata/RHSA-2026:22619) - **RHSA-2026:21338** · Red Hat · fixed in: Red Hat Developer Hub 1.8 · released 2026-05-27 · [advisory](https://access.redhat.com/errata/RHSA-2026:21338) - **RHSA-2026:33574** · Red Hat · fixed in: Red Hat Developer Hub 1.9 · released 2026-06-30 · [advisory](https://access.redhat.com/errata/RHSA-2026:33574) - **Red Hat VEX** · Important · affected: Migration Toolkit for Applications 8, Network Observability Operator, OpenShift Pipelines, Red Hat Ansible Automation Platform 2, Red Hat build of Apicurio Registry 2, Red Hat build of Apicurio Registry 3, … · no fix planned: Red Hat Ansible Automation Platform 2, Red Hat build of Apicurio Registry 2, Red Hat Build of Podman Desktop - Tech Preview, Red Hat Enterprise Linux 8, … · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42039.json)