Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.5%
CVSS Severity
CVSS v3 Score 5.3
References
Products affected by CVE-2026-32952
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cpe:2.3:a:microsoft:go-ntlmssp:*