CVE-2026-67321

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

0.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-08-01 13:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-09-01 15:38 UTC Last updatedMost recent change to the record

Details

Published

2026-08-01 13:17 UTC

Last modified

2026-09-01 15:38 UTC

Exploit probability

0.5% · EPSS, next 30 days

Weakness

CWE-674

Record status

Analyzed

Affected

• Axios < 0.33.0
• Axios < 1.18.0

Attack profile CVSS 4.0 · 6.9

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

Low