{"schema_version":"1.9.0","id":"GHSA-pjcq-xvwq-hhpj","published":"2026-04-23T21:21:58Z","modified":"2026-09-10T03:51:02.411837247Z","aliases":["CVE-2026-32952","GO-2026-5543"],"summary":"go-ntlmssp NTLM challenges can panic on malformed payloads","details":"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.","affected":[{"package":{"name":"github.com/Azure/go-ntlmssp","ecosystem":"Go","purl":"pkg:golang/github.com/Azure/go-ntlmssp"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.1.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-pjcq-xvwq-hhpj/GHSA-pjcq-xvwq-hhpj.json"}}],"references":[{"type":"WEB","url":"https://github.com/Azure/go-ntlmssp/security/advisories/GHSA-pjcq-xvwq-hhpj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32952"},{"type":"PACKAGE","url":"https://github.com/Azure/go-ntlmssp"},{"type":"WEB","url":"https://github.com/Azure/go-ntlmssp/releases/tag/v0.1.1"}],"database_specific":{"cwe_ids":["CWE-190"],"github_reviewed":true,"github_reviewed_at":"2026-04-23T21:21:58Z","nvd_published_at":"2026-04-24T03:16:07Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}