CVE-2026-67321

MEDIUM CVSS 4.0: 6.9 EPSS 0.53%
Updated Sep 01, 2026
Axios
Parameter Value
CVSS 6.9 (MEDIUM)
Affected Versions 0.31.1 — 1.18.0
Fixed In 0.33.0
Type CWE-674
Vendor Axios
Public PoC No

axios versions 0.31.1 before 0.33.0 and 1.15.1 before 1.18.0 contain 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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Axios Axios
cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*
0.31.1 0.33.0
Axios Axios
cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*
1.15.1 1.18.0