CVE-2026-42264
What it is
Axios 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, socketPath, beforeRedirect, and insecureHTTPParser) in the HTTP adapter are read via direct property access without hasOwnProperty guards, making them exploitable as prototype pollution gadgets. When Object.prototype is polluted by another dependency in the same process, axios silently picks up these polluted values on every outbound HTTP request. This issue has been patched in version 1.15.2.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering.
- Exploit odds
- 0.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.8% in the next 30 days (EPSS).
- Severity: 7.4 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.8% · EPSS, next 30 days
- Weakness
- CWE-1321 · Prototype pollution
- Record status
- Modified
Affected
- Axios < 1.15.2
Attack profile CVSS 3.1 · 7.4
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-42264.md and follow it. Check whether this project is affected by CVE-2026-42264. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/axios/axios/commit/47915144662f2733e6c051bdcb895a8c8f0586aa
- https://github.com/axios/axios/pull/10779
- https://github.com/axios/axios/releases/tag/v1.15.2
- https://github.com/axios/axios/security/advisories/GHSA-q8qp-cvcw-x6jj
- https://github.com/axios/axios/security/advisories/GHSA-q8qp-cvcw-x6jj
References
- https://github.com/axios/axios/commit/47915144662f2733e6c051bdcb895a8c8f0586aa
- https://github.com/axios/axios/pull/10779
- https://github.com/axios/axios/releases/tag/v1.15.2
- https://github.com/axios/axios/security/advisories/GHSA-q8qp-cvcw-x6jj
- https://access.redhat.com/errata/RHSA-2026:20889
- https://access.redhat.com/errata/RHSA-2026:20938
- https://access.redhat.com/errata/RHSA-2026:33173
- https://access.redhat.com/errata/RHSA-2026:36207
- https://access.redhat.com/errata/RHSA-2026:37287
- https://access.redhat.com/errata/RHSA-2026:37288
- https://access.redhat.com/errata/RHSA-2026:37297
- https://access.redhat.com/errata/RHSA-2026:41928
- https://access.redhat.com/errata/RHSA-2026:41951
- https://access.redhat.com/errata/RHSA-2026:42142
- https://access.redhat.com/errata/RHSA-2026:50300
- https://access.redhat.com/errata/RHSA-2026:60520
- https://access.redhat.com/errata/RHSA-2026:62260
- https://access.redhat.com/errata/RHSA-2026:66488
- https://access.redhat.com/errata/RHSA-2026:66545
- https://access.redhat.com/security/cve/CVE-2026-42264
- https://bugzilla.redhat.com/show_bug.cgi?id=2467927
- https://github.com/axios/axios/security/advisories/GHSA-q8qp-cvcw-x6jj
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42264.json