Axios up to 0.31.0/1.15.0 recursion

Summaryinfo

A vulnerability, which was classified as problematic, was found in Axios up to 0.31.0/1.15.0. The affected element is an unknown function. The manipulation results in recursion. This vulnerability was named CVE-2026-42039. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Axios up to 0.31.0/1.15.0. Affected is some unknown functionality. The manipulation with an unknown input leads to a recursion vulnerability. CWE is classifying the issue as CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. This is going to have an impact on availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-42039 since 04/23/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 313224 (Node.js Module axios < 1.15.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.31.1 or 1.15.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (313224), EUVD (EUVD-2026-25605) and CERT Bund (WID-SEC-2026-1687). Once again VulDB remains the best source for vulnerability data.

Affected

• IBM License Metric Tool

Productinfo

Name

• Axios

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31.0
• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15.0

Website

• Product: https://github.com/axios/axios/

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Once again VulDB remains the best source for vulnerability data.

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