CVE-2026-32952

high

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.

References

https://github.com/Azure/go-ntlmssp/security/advisories/GHSA-pjcq-xvwq-hhpj

https://github.com/Azure/go-ntlmssp/releases/tag/v0.1.1

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25374

Details

Source: Mitre, NVD

Published: 2026-04-24

Updated: 2026-05-21

Named Vulnerability: GO-2026-5543Named Vulnerability: GHSA-pjcq-xvwq-hhpj

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.01467