Vulnerability library
Security checkJuly 20, 2026

Axios: Deep formToJSON Key Recursion Can Cause Denial of Service

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Medium severitynpmaxios

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Description

Axios versions starting with 0.28.0 contain uncontrolled recursion in formDataToJSON, which is exposed as axios.formToJSON() and used internally when axios serialises FormData with Content-Type: application/json.

Recommendation

Update the axios package to the latest compatible version. Followings are version details:

  • Affected version(s): **>= 1.0.0, < 1.18.0 >= 0.28.0, < 0.33.0**
  • Patched version(s): **1.18.0 0.33.0**

References

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Related Issues

See something that needs correcting? Let us knowUpdated July 20, 2026