Axios has Unrestricted Cloud Metadata Exfiltration via Header Injection Chain

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Summary

CVECVE-2026-40175
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-10 20:16:22 UTC
Updated2026-04-16 19:16:34 UTC
DescriptionAxios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.0 and 0.3.1, the Axios library is vulnerable to a specific "Gadget" attack chain that allows Prototype Pollution in any third-party dependency to be escalated into Remote Code Execution (RCE) or Full Cloud Compromise (via AWS IMDSv2 bypass). This vulnerability is fixed in 1.15.0 and 0.3.1.

Risk And Classification

Primary CVSS: v3.1 4.8 MEDIUM from [email protected]

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

EPSS: 0.005300000 probability, percentile 0.672790000 (date 2026-04-16)

Problem Types: CWE-113 | CWE-444 | CWE-918 | CWE-113 CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') | CWE-444 CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') | CWE-918 CWE-918: Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Axios Axios affected >= 1.0.0, < 1.15.0 Not specified
CNA Axios Axios affected < 0.31.0 Not specified

References

ReferenceSourceLinkTags
github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1 [email protected] github.com
github.com/axios/axios/releases/tag/v1.15.0 [email protected] github.com
github.com/axios/axios/pull/10660 af854a3a-2127-422b-91ae-364da2661108 github.com
github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx [email protected] github.com
github.com/axios/axios/commit/03cdfc99e8db32a390e12128208b6778492cee9c [email protected] github.com
github.com/axios/axios/releases/tag/v0.31.0 [email protected] github.com
github.com/axios/axios/pull/10660 [email protected] github.com
github.com/axios/axios/pull/10688 [email protected] github.com
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