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8.3 High

CVE-2026-101909 Axios is a promise-based HTTP client for the browser and Node.js

Description

Axios is a promise-based HTTP client for the browser and Node.js. From 0.28.0 until 0.34.0 and 1.15.1 until 1.20.0, ToFormData processes inherited serialization options and visitor properties supplied through prototype pollution. A separate same-process prototype-pollution flaw supplies inherited dots, indexes, metaTokens, maxDepth, visitor, or Blob values before object serialization. The inherited options alter toFormData field naming and data interpretation, maxDepth can force request failure, Blob changes value handling, and a polluted visitor can execute when an attacker already has the stronger ability to inject a function. Serialized field naming and data interpretation can change, maxDepth can cause request failure, Blob can alter value handling, and a polluted visitor can execute under the stronger function-injection primitive. This issue is fixed in versions 0.34.0 and 1.20.0.

Affected products and versions

Product Affected versions Fixed in
axios 1.15 1.15.1 → < 1.20.0 1.20.0
axios 0.28 0.28.0 → < 0.34.0 0.34.0

References

Timeline

  1. Published
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Other CVEs of axios

The 53 CVEs of axios →
CVE-2026-101899 Axios is a promise-based HTTP client for the browser and Node.js 6.9 Medium CVE-2026-101908 Axios is a promise-based HTTP client for the browser and Node.js 6.9 Medium CVE-2026-101907 Axios is a promise-based HTTP client for the browser and Node.js 7.0 High CVE-2026-101906 Axios is a promise-based HTTP client for the browser and Node.js 8.2 High
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