CVE-2026-32952

go-ntlmssp is a Go package that provides NTLM/Negotiate authentication over HTTP. Prior to version 0.1.1, a malicious NTLM challenge message can causes an slice out of bounds panic, which can crash any Go process using `ntlmssp.Negotiator` as an HTTP transport. Version 0.1.1 patches the issue.

Score

CVSS 3.1 7.5 High

Status

Analyzed - security-advisories@github.com

Published

2026-04-24

Last modified

2026-10-26

Weaknesses

CWE-190

Affected products

• Go-ntlmssp (Azure)
• Go-ntlmssp (Microsoft)

References

• https://github.com/Azure/go-ntlmssp/security/advisories/GHSA-pjcq-xvwq-hhpj
• https://github.com/Azure/go-ntlmssp/releases/tag/v0.1.1