{"id":"CVE-2026-32952","aliases":["GHSA-pjcq-xvwq-hhpj","GO-2026-5543"],"url":"https://o3.security/vulnerability/CVE-2026-32952","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.","published":"2026-04-24T01:46:31.573Z","modified":"2026-08-27T18:26:17.102719642Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.01027,"percentile":0.60521,"asOf":"2026-08-12"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/Azure/go-ntlmssp","fixedVersion":"0.1.1"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/Azure/go-ntlmssp/releases/tag/v0.1.1"},{"type":"ADVISORY","url":"https://github.com/Azure/go-ntlmssp/security/advisories/GHSA-pjcq-xvwq-hhpj"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32952.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32952"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T18:26:17.102719642Z"}}