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Vulnerability · Published Apr 10, 2026 · Assigned by GitHub_M

CVE-2026-40175Axios has Unrestricted Cloud Metadata Exfiltration via Header Injection Chain

Medium 4.8

In plain English

A medium-severity server-side request forgery in axios from axios. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)1.9%top 19.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC

Official description

Axios is a promise based HTTP client for the browser and Node.js. Versions prior to 1.15.0 and 0.3.1 are vulnerable to a specific gadget-style attack chain in which prototype pollution in a third-party dependency may be leveraged to inject unsanitized header values into outbound requests. This vulnerability is fixed in 1.15.0 and 0.3.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12node-axiosno fix listedDEBIAN-CVE-2026-40175
Debian:13node-axiosno fix listedDEBIAN-CVE-2026-40175
Debian:14node-axios1.15.0-1DEBIAN-CVE-2026-40175
Ubuntu:25.10node-axiosno fix listedUBUNTU-CVE-2026-40175
npmaxios1.15.0GHSA-fvcv-3m26-pcqx
npmaxios0.31.0GHSA-fvcv-3m26-pcqx

Affected products (as reported)

VendorProductVersions
axios axios >= 1.0.0, < 1.15.0< 0.31.0

Weakness: CWE-113, CWE-444, CWE-918, CWE-915 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References