CVE-2026-67321

Summary

axios before 0.33.0 contains an incomplete depth-limit bypass in toFormData.js when serializing objects with top-level keys ending in '{}'. Attackers who control object keys and nested values passed to axios form or parameter serialization can trigger a RangeError from JSON.stringify, causing denial of service in the affected request path.

Affected Software

VendorProductVersion RangeStatus
axiosaxios0.31.1 < 0.33.0affected
axiosaxios0.33.0unaffected
axiosaxios1.15.1 < 1.18.0affected
axiosaxios1.18.0unaffected

Weaknesses

  • CWE-674: Uncontrolled Recursion

References