CVE-2026-116566

Published Oct 29, 2026 Modified Oct 30, 2026 CWE-158

Description

socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.

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Weakness Type (CWE)

CWE-158 CWE-158

References

Frequently Asked Questions

What is CVE-2026-116566? +
socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.
How do I check if I'm vulnerable to CVE-2026-116566? +
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.

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