go-ntlmssp NTLM challenges can panic on malformed payloads
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.
02 / AFFECTED SOFTWARE
Affected packages
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
Go-ntlmssp NTLM challenges can panic on malformed payloads in github.com/Azure/go-ntlmssp
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.
05 / REFERENCES
Further evidence
- https://github.com/Azure/go-ntlmssp
- https://github.com/Azure/go-ntlmssp/releases/tag/v0.1.1
- https://github.com/Azure/go-ntlmssp/security/advisories/GHSA-pjcq-xvwq-hhpj
- https://nvd.nist.gov/vuln/detail/CVE-2026-32952
- https://github.com/Azure/go-ntlmssp/commit/bd8579c18d41bf5d91a5f74b1117c958f635b866
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32952.json