# CVE-2026-25639: Axios affected by Denial of Service via __proto__ Key in mergeConfig

> CVE-2026-25639: Axios affected by Denial of Service via __proto__ Key in mergeConfig. CVSS 7.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-25639
Last updated: 2026-09-10T13:17:46Z

- Published: 2026-02-09 20:11 UTC · Updated: 2026-09-10 13:17 UTC · Assigner: GitHub\_M
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS: 2.8%, 86th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-754

## Description

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.

## Affected vendors and products

- axios: axios
- Red Hat: Cryostat 4
- Red Hat: Gatekeeper 3
- Red Hat: Logging Subsystem for Red Hat OpenShift
- Red Hat: Migration Toolkit for Applications 8
- Red Hat: OpenShift Pipelines
- Red Hat: OpenShift Service Mesh 3
- Red Hat: Red Hat 3scale API Management Platform 2
- Red Hat: Red Hat Advanced Cluster Security 4
- Red Hat: Red Hat Ansible Automation Platform 2
- Red Hat: Red Hat Ansible Automation Platform 2.6 for RHEL 9
- Red Hat: Red Hat build of Apache Camel - HawtIO 4
- Red Hat: Red Hat build of Apicurio Registry 2
- Red Hat: Red Hat Build of Kueue
- Red Hat: Red Hat Build of Podman Desktop - Tech Preview
- Red Hat: Red Hat Data Grid 8
- Red Hat: Red Hat Enterprise Linux AI (RHEL AI) 3
- Red Hat: Red Hat Fuse 7
- Red Hat: Red Hat OpenShift AI (RHOAI)
- Red Hat: Red Hat OpenShift Container Platform 4
- Red Hat: Red Hat OpenShift Dev Spaces
- Red Hat: Red Hat OpenShift Virtualization 4
- Red Hat: Red Hat Process Automation 7
- Red Hat: Red Hat Trusted Artifact Signer
- Red Hat: Self-service automation portal 2
- Red Hat: streams for Apache Kafka 2
- Red Hat: streams for Apache Kafka 3

## Tracked companies

- [Confluence](https://rewindex.com/company/confluence.md)
- [Jira](https://rewindex.com/company/jira.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-25639)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-25639)
- [https://github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57](https://github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57)
- [https://github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e](https://github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e)
- [https://github.com/axios/axios/pull/7369](https://github.com/axios/axios/pull/7369)
- [https://github.com/axios/axios/pull/7388](https://github.com/axios/axios/pull/7388)
- [https://github.com/axios/axios/releases/tag/v0.30.3](https://github.com/axios/axios/releases/tag/v0.30.3)
- [https://github.com/axios/axios/releases/tag/v1.13.5](https://github.com/axios/axios/releases/tag/v1.13.5)
- [https://github.com/axios/axios/security/advisories/GHSA-43fc-jf86-j433](https://github.com/axios/axios/security/advisories/GHSA-43fc-jf86-j433)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-25639 · Markdown: https://rewindex.com/cve/CVE-2026-25639.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-25639 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:06:19.597Z