CVE-2026-9312 Server-Side Request Forgery vulnerability in GitHub Enterprise Server allowed access to internal services via path traversal in upload endpoint

[
  {
    "vendor": "GitHub",
    "product": "Enterprise Server",
    "versions": [
      {
        "status": "affected",
        "version": "3.16.0",
        "lessThanOrEqual": "3.16.19",
        "changes": [
          {
            "at": "3.16.20",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.17.0",
        "lessThanOrEqual": "3.17.16",
        "changes": [
          {
            "at": "3.17.17",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.18.0",
        "lessThanOrEqual": "3.18.10",
        "changes": [
          {
            "at": "3.18.11",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.19.0",
        "lessThanOrEqual": "3.19.7",
        "changes": [
          {
            "at": "3.19.8",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.20.0",
        "lessThanOrEqual": "3.20.3",
        "changes": [
          {
            "at": "3.20.4",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.21.0",
        "lessThan": "3.21.1",
        "changes": [
          {
            "at": "3.21.1",
            "status": "unaffected"
          }
        ],
        "versionType": "semver"
      }
    ],
    "defaultStatus": "affected"
  }
]