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Vulnerability record · CVE-2026-42043 · published 24 April 2026

CVE-2026-42043: Axios server-side request forgery (ssrf) vulnerability

Axios · Axios

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.

10.0 CVSS 3.1 Critical EPSS 0.58% · top 54.6% CWE-183 · CWE-183CWE-441 · CWE-441
10.0CVSS 3.1 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
42References, 2 tagged exploit
10 Sep 2026Last modified by NVD

Description

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7 ExploitMitigationVendor Advisory
https://access.redhat.com/errata/RHSA-2026:14937
https://access.redhat.com/errata/RHSA-2026:16476
https://access.redhat.com/errata/RHSA-2026:16532
https://access.redhat.com/errata/RHSA-2026:16534
https://access.redhat.com/errata/RHSA-2026:16535
https://access.redhat.com/errata/RHSA-2026:16542
https://access.redhat.com/errata/RHSA-2026:16874
https://access.redhat.com/errata/RHSA-2026:17468
https://access.redhat.com/errata/RHSA-2026:17474
https://access.redhat.com/errata/RHSA-2026:17657
https://access.redhat.com/errata/RHSA-2026:17699
https://access.redhat.com/errata/RHSA-2026:19109
https://access.redhat.com/errata/RHSA-2026:19375
https://access.redhat.com/errata/RHSA-2026:20889
https://access.redhat.com/errata/RHSA-2026:20938
https://access.redhat.com/errata/RHSA-2026:21017
https://access.redhat.com/errata/RHSA-2026:21338
https://access.redhat.com/errata/RHSA-2026:21772
https://access.redhat.com/errata/RHSA-2026:22465
https://access.redhat.com/errata/RHSA-2026:22619
https://access.redhat.com/errata/RHSA-2026:22629
https://access.redhat.com/errata/RHSA-2026:22840
https://access.redhat.com/errata/RHSA-2026:23361
https://access.redhat.com/errata/RHSA-2026:24536
https://access.redhat.com/errata/RHSA-2026:24539
https://access.redhat.com/errata/RHSA-2026:24853
https://access.redhat.com/errata/RHSA-2026:24977
https://access.redhat.com/errata/RHSA-2026:25041
https://access.redhat.com/errata/RHSA-2026:25089
https://access.redhat.com/errata/RHSA-2026:25271
https://access.redhat.com/errata/RHSA-2026:25273
https://access.redhat.com/errata/RHSA-2026:26214
https://access.redhat.com/errata/RHSA-2026:26225
https://access.redhat.com/errata/RHSA-2026:26232
https://access.redhat.com/errata/RHSA-2026:33574
https://access.redhat.com/errata/RHSA-2026:36882
https://access.redhat.com/errata/RHSA-2026:48670
https://access.redhat.com/security/cve/CVE-2026-42043
https://bugzilla.redhat.com/show_bug.cgi?id=2461626

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-57965Axios origin validation error vulnerabilityIn axios before 1.7.8, lib/helpers/isURLSameOrigin.js does not use a URL object when determining an origin, and has a potentially unwanted setAttribu…EPSS 0.38%9.1CVE-2026-42264Axios prototype pollution vulnerabilityAxios is a promise based HTTP client for the browser and Node.js. From version 1.0.0 to before version 1.15.2, fFive config properties (auth, baseURL…EPSS 0.97%9.1CVE-2026-42044Axios mass assignment vulnerabilityAxios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.2, he Axios library is vulnerable to a Prototype Pollutio…EPSS 0.86%8.7CVE-2026-44494Axios prototype pollution vulnerabilityAxios 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 Polluti…EPSS 0.93%8.6CVE-2026-44492Axios server-side request forgery (ssrf) vulnerabilityAxios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. Wh…EPSS 0.78%8.3CVE-2026-67320Axios information exposure vulnerabilityaxios in a Node.js deployment using the HTTP adapter can route requests through an attacker-controlled proxy. axios hardens merged request configurat…EPSS 0.52%8.2CVE-2026-44490Axios prototype pollution vulnerabilityAxios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, axios exposes two read-side prototype-pollution gadgets…EPSS 0.40%8.2CVE-2026-44487Axios vulnerabilityAxios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios’s Node.js HTTP adapter may forward a Proxy-Author…EPSS 0.76%

Source: NIST National Vulnerability Database (record CVE-2026-42043), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.