CVE-2026-67321

Published Aug 1, 2026 CWE-674

Description

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.

Is your site exposed to CVE-2026-67321?

Run a free security scan — no signup, results in seconds.

Weakness Type (CWE)

CWE-674 CWE-674

References

Frequently Asked Questions

What is CVE-2026-67321? +
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.
How do I check if I'm vulnerable to CVE-2026-67321? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2026-67321 — free, no signup required.