CVE-2026-32952 — go-ntlmssp is a Go package that provides NTLM/Negotiate
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
What This Means For You
- If your environment is affected by CWE-190, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-32952 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-32952 - go-ntlmssp Slice Out Of Bounds Panic via Malicious NTLM Challenge
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-32952 | vulnerability | CVE-2026-32952 |
| CWE-190 | weakness | CWE-190 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 24, 2026 at 06:16 UTC |
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