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CVE-2026-77550

🗓️ 26 Aug 2026 10:33:29Reported by UbiquitiType 
cve
 cve
🔗 www.cve.org👁 4 Views

CRLF injection in UniFi OS enables authentication bypass to network-accessible devices.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77550
26 Aug 202611:50
circl
cvelist
Cvelist
CVE-2026-77550
26 Aug 202610:33
cvelist
euvd
EUVD
EUVD-2026-66399
26 Aug 202610:33
euvd
ptsecurity
Positive Technologies
PT-2026-82073
26 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-77550
26 Aug 202610:33
vulnrichment
[
  {
    "vendor": "Ubiquiti Inc",
    "product": "UniFi OS Server",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.37",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Cloud Keys",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Network Video Recorders",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Enterprise Network Video Recorders",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Enterprise Network Attached Storage",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Dream Machines",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Enterprise Firewall Core",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Dream Routers",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Enterprise Fortress Gateway",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Cloud Gateways",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Dream Wall",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Express 7",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.31",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Network Attached Storage",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.1.32",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Ubiquiti Inc",
    "product": "Express",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "4.0.17",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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