GHSA-PJCQ-XVWQ-HHPJ

Vulnerability from github – Published: 2026-04-23 21:21 – Updated: 2026-04-27 16:35
VLAI?
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.

Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/Azure/go-ntlmssp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-32952"
  ],
  "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"
  },
  "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.",
  "id": "GHSA-pjcq-xvwq-hhpj",
  "modified": "2026-04-27T16:35:38Z",
  "published": "2026-04-23T21:21:58Z",
  "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "go-ntlmssp NTLM challenges can panic on malformed payloads"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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