{"id":"CVE-2026-32952","aliases":["GHSA-pjcq-xvwq-hhpj","GO-2026-5543"],"title":"go-ntlmssp NTLM challenges can panic on malformed payloads","summary":"go-ntlmssp NTLM challenges can panic on malformed payloads","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","vendor":"Azure","product":"github.com/Azure/go-ntlmssp","ecosystem":"go","affected":["github.com/Azure/go-ntlmssp < 0.1.1"],"patched":["github.com/Azure/go-ntlmssp 0.1.1"],"published":"2026-04-23","updated":"2026-07-24","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-pjcq-xvwq-hhpj","references":[{"url":"https://github.com/Azure/go-ntlmssp/security/advisories/GHSA-pjcq-xvwq-hhpj"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32952"},{"url":"https://github.com/Azure/go-ntlmssp"},{"url":"https://github.com/Azure/go-ntlmssp/releases/tag/v0.1.1"}],"tags":["osv","go"],"epss":0.01027,"epssPercentile":0.62136,"ingestedAt":"2026-07-25T19:08:11.764Z","slug":"CVE-2026-32952","body":"## Overview\n\ngo-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.\n\n## Affected packages\n\n- `github.com/Azure/go-ntlmssp < 0.1.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/Azure/go-ntlmssp 0.1.1`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}