Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, when Object.prototype has been polluted by any co-dependency with keys that axios reads without a hasOwnProperty guard, an attacker can (a) silently intercept and modify every JSON response before the application sees it, or (b) fully hijack the underlying HTTP transport, gaining access to request credentials, headers, and body. The precondition is prototype pollution from a separate source in the same process. This vulnerability is fixed in 1.15.1 and 0.31.1.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-pf86-5x62-jrwf Axios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request Hijacking
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
Link Providers
https://access.redhat.com/errata/RHSA-2026:14937 cve-icon
https://access.redhat.com/errata/RHSA-2026:16476 cve-icon
https://access.redhat.com/errata/RHSA-2026:16532 cve-icon
https://access.redhat.com/errata/RHSA-2026:16534 cve-icon
https://access.redhat.com/errata/RHSA-2026:16535 cve-icon
https://access.redhat.com/errata/RHSA-2026:16542 cve-icon
https://access.redhat.com/errata/RHSA-2026:16874 cve-icon
https://access.redhat.com/errata/RHSA-2026:17468 cve-icon
https://access.redhat.com/errata/RHSA-2026:17474 cve-icon
https://access.redhat.com/errata/RHSA-2026:17657 cve-icon
https://access.redhat.com/errata/RHSA-2026:17699 cve-icon
https://access.redhat.com/errata/RHSA-2026:19109 cve-icon
https://access.redhat.com/errata/RHSA-2026:19375 cve-icon
https://access.redhat.com/errata/RHSA-2026:20889 cve-icon
https://access.redhat.com/errata/RHSA-2026:20938 cve-icon
https://access.redhat.com/errata/RHSA-2026:21017 cve-icon
https://access.redhat.com/errata/RHSA-2026:21338 cve-icon
https://access.redhat.com/errata/RHSA-2026:21772 cve-icon
https://access.redhat.com/errata/RHSA-2026:22465 cve-icon
https://access.redhat.com/errata/RHSA-2026:22619 cve-icon
https://access.redhat.com/errata/RHSA-2026:22629 cve-icon
https://access.redhat.com/errata/RHSA-2026:22840 cve-icon
https://access.redhat.com/errata/RHSA-2026:23361 cve-icon
https://access.redhat.com/errata/RHSA-2026:24536 cve-icon
https://access.redhat.com/errata/RHSA-2026:24539 cve-icon
https://access.redhat.com/errata/RHSA-2026:24853 cve-icon
https://access.redhat.com/errata/RHSA-2026:24977 cve-icon
https://access.redhat.com/errata/RHSA-2026:25041 cve-icon
https://access.redhat.com/errata/RHSA-2026:25089 cve-icon
https://access.redhat.com/errata/RHSA-2026:25271 cve-icon
https://access.redhat.com/errata/RHSA-2026:25273 cve-icon
https://access.redhat.com/errata/RHSA-2026:26214 cve-icon
https://access.redhat.com/errata/RHSA-2026:26225 cve-icon
https://access.redhat.com/errata/RHSA-2026:26232 cve-icon
https://access.redhat.com/errata/RHSA-2026:33574 cve-icon
https://access.redhat.com/errata/RHSA-2026:36882 cve-icon
https://access.redhat.com/errata/RHSA-2026:48670 cve-icon
https://access.redhat.com/security/cve/CVE-2026-42033 cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2461607 cve-icon
https://github.com/axios/axios/security/advisories/GHSA-pf86-5x62-jrwf cve-icon cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-42033 cve-icon
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42033.json cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-42033 cve-icon
History

Fri, 01 May 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-915
References
Metrics threat_severity

None

threat_severity

Important


Mon, 27 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Axios
Axios axios
CPEs cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*
Vendors & Products Axios
Axios axios

Fri, 24 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 24 Apr 2026 18:00:00 +0000

Type Values Removed Values Added
Description Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, when Object.prototype has been polluted by any co-dependency with keys that axios reads without a hasOwnProperty guard, an attacker can (a) silently intercept and modify every JSON response before the application sees it, or (b) fully hijack the underlying HTTP transport, gaining access to request credentials, headers, and body. The precondition is prototype pollution from a separate source in the same process. This vulnerability is fixed in 1.15.1 and 0.31.1.
Title Axios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request Hijacking
Weaknesses CWE-1321
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-08-13T12:04:26.242Z

Reserved: 2026-04-23T16:05:01.708Z

Link: CVE-2026-42033

cve-icon Vulnrichment

Updated: 2026-08-12T12:04:43.820Z

cve-icon NVD

Status : Modified

Published: 2026-04-24T18:16:29.993

Modified: 2026-08-12T12:19:10.887

Link: CVE-2026-42033

cve-icon Redhat

Severity : Important

Publid Date: 2026-04-24T17:36:44Z

Links: CVE-2026-42033 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-01T05:45:10Z

Weaknesses