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CVE-2026-44494

8.7 · HIGH

Axios is a promise based HTTP client for the browser and Node.js.

Published Jun 11, 2026CWE-441EPSS 0.93%

Overview

CVE-2026-44494 is a high-severity vulnerability. It was published on June 11, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.16.0, the Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution in the application's dependency tree to be escalated into a full Man-in-the-Middle (MITM) attack — intercepting, reading, and modifying all HTTP traffic including authentication credentials. The HTTP adapter at lib/adapters/http.js:670 reads config.proxy via standard property access, which traverses the prototype chain. Because proxy is not present in Axios defaults, the merged config object has no own proxy property, making it trivially injectable via prototype pollution. Once injected, setProxy() routes all HTTP requests through the attacker's proxy server. This vulnerability is fixed in 1.16.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/axios/axios/security/advisories/GHSA-35jp-ww65-95whRefaccess.redhat.com/errata/RHSA-2026:20889Refaccess.redhat.com/errata/RHSA-2026:20938Refaccess.redhat.com/errata/RHSA-2026:27044Refaccess.redhat.com/errata/RHSA-2026:28964Refaccess.redhat.com/errata/RHSA-2026:29082Refaccess.redhat.com/errata/RHSA-2026:29197Refaccess.redhat.com/errata/RHSA-2026:29800Refaccess.redhat.com/errata/RHSA-2026:29864Refaccess.redhat.com/errata/RHSA-2026:30650

How CyberStrike helps

Frequently asked questions

What is CVE-2026-44494?

CVE-2026-44494 is a high-severity vulnerability. It was published on June 11, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

How severe is CVE-2026-44494?

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-44494?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-44494?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-44494 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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