Axios: Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

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Summary

CVECVE-2026-44495
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-11 17:16:33 UTC
Updated2026-06-12 14:16:31 UTC
DescriptionAxios is a promise based HTTP client for the browser and Node.js. From 0.19.0 to before 0.31.1 and 1.15.2, Axios contains prototype-pollution gadgets in request config processing. If another vulnerability in the same JavaScript process has already polluted Object.prototype.transformResponse, affected Axios versions may treat that inherited value as request configuration or as an option validator. Axios does not itself create the prototype pollution. Exploitability requires a separate prototype-pollution vulnerability or equivalent attacker control over Object.prototype before Axios creates a request. This vulnerability is fixed in 0.31.1 and 1.15.2.

Risk And Classification

Primary CVSS: v3.1 7 HIGH from [email protected]

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

EPSS: 0.003160000 probability, percentile 0.231210000 (date 2026-06-18)

Problem Types: CWE-94 | CWE-1321 | CWE-94 CWE-94: Improper Control of Generation of Code ('Code Injection') | CWE-1321 CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
3.1CNADECLARED7HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Axios Axios affected >= 1.0.0, < 1.15.2 Not specified
CNA Axios Axios affected >= 0.19.0, < 0.31.1 Not specified

References

ReferenceSourceLinkTags
github.com/axios/axios/security/advisories/GHSA-3g43-6gmg-66jw 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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