Description

Parsing a multipart form can bypass memory limits and read an arbitrarily long line into memory when the remaining limit at the start of a part is less than 400 bytes.

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References

Other References

https://go.dev/cl/847307 https://go.dev/issue/81741 https://groups.google.com/g/golang-announce/c/U2fTuyDJznI https://pkg.go.dev/vuln/GO-2026-6608

Frequently Asked Questions

What is CVE-2026-94440? +

Parsing a multipart form can bypass memory limits and read an arbitrarily long line into memory when the remaining limit at the start of a part is less than 400 bytes.

How do I check if I'm vulnerable to CVE-2026-94440? +

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.