Vulnerability-Lookup

CNVD-2026-38867

Vulnerability from cnvd - Published: 2026-09-28

Title

Ubiquiti UniFi Network Application路径遍历漏洞

Description

Ubiquiti UniFi Network Application是‌Ubiquiti（优倍快）公司出品的无线网络管理软件。 Ubiquiti UniFi Network Application存在路径遍历漏洞，该漏洞源于自托管实例的路径处理逻辑未充分限制高权限用户可写入的目标位置。攻击者可利用该漏洞以高权限账户提升主机设备上的写入权限。

Severity

高

Patch Name

Ubiquiti UniFi Network Application路径遍历漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-54406

Impacted products

Name
Ubiquiti UniFi Network Application <10.4.57

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-54406",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-54406"
    }
  },
  "description": "Ubiquiti UniFi Network Application\u662f\u200cUbiquiti\uff08\u4f18\u500d\u5feb\uff09\u516c\u53f8\u51fa\u54c1\u7684\u65e0\u7ebf\u7f51\u7edc\u7ba1\u7406\u8f6f\u4ef6\u3002\n\nUbiquiti UniFi Network Application\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u81ea\u6258\u7ba1\u5b9e\u4f8b\u7684\u8def\u5f84\u5904\u7406\u903b\u8f91\u672a\u5145\u5206\u9650\u5236\u9ad8\u6743\u9650\u7528\u6237\u53ef\u5199\u5165\u7684\u76ee\u6807\u4f4d\u7f6e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5\u9ad8\u6743\u9650\u8d26\u6237\u63d0\u5347\u4e3b\u673a\u8bbe\u5907\u4e0a\u7684\u5199\u5165\u6743\u9650\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51:\r\nhttps://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-38867",
  "openTime": "2026-09-28",
  "patchDescription": "Ubiquiti UniFi Network Application\u662f\u200cUbiquiti\uff08\u4f18\u500d\u5feb\uff09\u516c\u53f8\u51fa\u54c1\u7684\u65e0\u7ebf\u7f51\u7edc\u7ba1\u7406\u8f6f\u4ef6\u3002\r\n\r\nUbiquiti UniFi Network Application\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u81ea\u6258\u7ba1\u5b9e\u4f8b\u7684\u8def\u5f84\u5904\u7406\u903b\u8f91\u672a\u5145\u5206\u9650\u5236\u9ad8\u6743\u9650\u7528\u6237\u53ef\u5199\u5165\u7684\u76ee\u6807\u4f4d\u7f6e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5\u9ad8\u6743\u9650\u8d26\u6237\u63d0\u5347\u4e3b\u673a\u8bbe\u5907\u4e0a\u7684\u5199\u5165\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Ubiquiti UniFi Network Application\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Ubiquiti UniFi Network Application \u003c10.4.57"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-54406",
  "serverity": "\u9ad8",
  "submitTime": "2026-07-06",
  "title": "Ubiquiti UniFi Network Application\u8def\u5f84\u904d\u5386\u6f0f\u6d1e"
}

CVE-2026-54406 (GCVE-0-2026-54406)

Vulnerability from cvelistv5 – Published: 2026-07-02 14:49 – Updated: 2026-07-02 16:10

Summary

A malicious actor with access to the network and high privileges could exploit a Path Traversal vulnerability found in self-hosted instances of UniFi Network Application to escalate write permission on the host device.

Severity

8.7 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-02 16:10 UTC

CWE

CWE-22 - Path Traversal

Assigner

hackerone mitre root Scorecard

References

1 reference

URL	Tags
https://community.ui.com/releases/Security-Adviso…

Impacted products

1 product

Vendor	Product	Version
Ubiquiti Inc	UniFi Network Application	Affected: 0 , < 10.4.57 (semver)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-54406",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-02T16:10:37.218841Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-02T16:10:43.419Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "UniFi Network Application",
          "vendor": "Ubiquiti Inc",
          "versions": [
            {
              "lessThan": "10.4.57",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A malicious actor with access to the network and high privileges could exploit a Path Traversal vulnerability found in self-hosted instances of UniFi Network Application to escalate write permission on the host device."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22 Path Traversal",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-02T14:49:16.718Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
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        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-54406",
    "datePublished": "2026-07-02T14:49:16.718Z",
    "dateReserved": "2026-06-13T15:00:00.605Z",
    "dateUpdated": "2026-07-02T16:10:43.419Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CNVD-2026-38867

CVE-2026-54406 (GCVE-0-2026-54406)

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