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CVE-2026-54403

CVSS 8.6 · High EPSS 0.46% · P37

Affected Version Matrix 12

VendorProductVersion RangeStatus
Ubiquiti IncCloud Gateways< 5.1.19affected
Ubiquiti IncCloud Keys< 5.1.19affected
Ubiquiti IncDream Machines< 5.1.19affected
Ubiquiti IncDream Routers< 5.1.19affected
Ubiquiti IncDream Wall< 5.1.19affected
Ubiquiti IncEnterprise Firewall Core< 5.1.19affected
Ubiquiti IncEnterprise Fortress Gateway< 5.1.19affected
Ubiquiti IncEnterprise Video Recorders< 5.1.19affected
Ubiquiti IncExpress 7< 5.1.19affected
Ubiquiti IncNetwork Attached Storage< 5.1.19affected
Ubiquiti IncNetwork Video Recorders< 5.1.19affected
Ubiquiti IncUniFi OS Server< 5.1.19affected
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I. Basic Information for CVE-2026-54403

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ubiquiti UniFi OS Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubiquiti Inc UniFi OS Server是Ubiquiti Inc公司的网络设备管理软件。 Ubiquiti UniFi OS Server存在路径遍历漏洞，该漏洞源于路径遍历问题，可能导致拥有网络访问权限的攻击者绕过身份验证。以下版本受到影响：UniFi OS Server 5.1.19之前版本、Dream Machines 5.1.19之前版本、Enterprise Fortress Gateway 5.1.19之前版本、Dream Wall 5.1.19之前版本、Dream Rout
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Ubiquiti IncUniFi OS Server 0 ~ 5.1.19 -
Ubiquiti IncDream Machines 0 ~ 5.1.19 -
Ubiquiti IncEnterprise Fortress Gateway 0 ~ 5.1.19 -
Ubiquiti IncDream Wall 0 ~ 5.1.19 -
Ubiquiti IncDream Routers 0 ~ 5.1.19 -
Ubiquiti IncExpress 7 0 ~ 5.1.19 -
Ubiquiti IncCloud Keys 0 ~ 5.1.19 -
Ubiquiti IncNetwork Video Recorders 0 ~ 5.1.19 -
Ubiquiti IncEnterprise Video Recorders 0 ~ 5.1.19 -
Ubiquiti IncCloud Gateways 0 ~ 5.1.19 -
Ubiquiti IncNetwork Attached Storage 0 ~ 5.1.19 -
Ubiquiti IncEnterprise Firewall Core 0 ~ 5.1.19 -

II. Public POCs for CVE-2026-54403

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III. Intelligence Information for CVE-2026-54403

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Same Patch Batch · Ubiquiti Inc · 2026-07-02 · 25 CVEs total

CVE-2026-5074610.0 CRITICALUbiquiti UniFi Connect Application 权限许可和访问控制问题漏洞
CVE-2026-544029.9 CRITICALUbiquiti UniFi OS Server 输入验证错误漏洞
CVE-2026-551159.9 CRITICALUbiquiti UniFi Protect Application 服务端请求伪造漏洞
CVE-2026-507479.9 CRITICALUbiquiti UniFi Talk Application SQL注入漏洞
CVE-2026-507489.9 CRITICALUbiquiti UniFi Access Application 输入验证错误漏洞
CVE-2026-544009.1 CRITICALUbiquiti UniFi Access Application 权限许可和访问控制问题漏洞
CVE-2026-551169.0 CRITICALUbiquiti Dream Machines 权限许可和访问控制问题漏洞
CVE-2026-544048.8 HIGHUbiquiti UniFi OS Server SQL注入漏洞
CVE-2026-551148.8 HIGHUbiquiti UniFi Network Application 权限许可和访问控制问题漏洞
CVE-2026-568418.8 HIGHUbiquiti UniFi Protect Application SQL注入漏洞
CVE-2026-544068.7 HIGHUbiquiti UniFi Network Application 路径遍历漏洞
CVE-2026-544078.6 HIGHUbiquiti UniFi Protect Application 权限许可和访问控制问题漏洞
CVE-2026-551178.6 HIGHUbiquiti UniFi Access Application 路径遍历漏洞
CVE-2026-544088.6 HIGHUbiquiti UniFi Protect Application 权限许可和访问控制问题漏洞
CVE-2026-551188.3 HIGHUbiquiti UniFi Network Application 权限许可和访问控制问题漏洞
CVE-2026-551198.1 HIGHUbiquiti UniFi Talk Application 权限许可和访问控制问题漏洞
CVE-2026-544017.7 HIGHUbiquiti UniFi OS Server 服务端请求伪造漏洞
CVE-2026-568427.5 HIGHUbiquiti UniFi Network Application 授权问题漏洞
CVE-2026-544097.5 HIGHUbiquiti UniFi Protect Application 资源管理错误漏洞
CVE-2026-551107.5 HIGHUbiquiti UniFi OS Server 配置错误漏洞

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: UniFi OS Server
Same vendor: Ubiquiti Inc
Same weakness: CWE-22

V. Comments for CVE-2026-54403

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