CVE-2026-94018

Published Oct 20, 2026 Modified Oct 20, 2026 CWE-457 CWE-824

Description

The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single malformed request.

Is your site exposed to CVE-2026-94018?

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

Weakness Type (CWE)

CWE-457 CWE-457
CWE-824 CWE-824

References

Frequently Asked Questions

What is CVE-2026-94018? +
The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single malformed request.
How do I check if I'm vulnerable to CVE-2026-94018? +
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-2026-94018 — free, no signup required.