GitHub Advisoryadvisory · Go

GHSA-pjcq-xvwq-hhpj go-ntlmssp NTLM challenges can panic on malformed payloads

MEDIUM Published 2026-04-23 Modified 2026-04-27 Official page ↗
Aliases
CVE-2026-32952
Ecosystem
Go
Packages
github.com/Azure/go-ntlmssp
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-190
Reviewed
2026-04-23

Affected packages

• Go github.com/Azure/go-ntlmssp: < 0.1.1 → fixed in 0.1.1

Description

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.

Related

Alias · CVE (1)

  • CVE-2026-32952 go-ntlmssp is a Go package that provides NTLM/Negotiate authentication over HTTP. vulnerability

Weakness · CWE (1)

  • CWE-190 Integer Overflow or Wraparound weakness

References