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CVE-2026-90441 Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant B

🗓️ 29 Sep 2026 23:05:47Reported by WatchGuardType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Authenticated DoS and arbitrary file read in Fireware OS wgagent via management API.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-90441
29 Sep 202623:05
–cve
euvd
EUVD
EUVD-2026-89494
30 Sep 202600:32
–euvd
nvd
NVD
CVE-2026-90441
30 Sep 202600:16
–nvd
[
  {
    "vendor": "WatchGuard",
    "product": "Fireware OS",
    "versions": [
      {
        "status": "affected",
        "version": "2026.3",
        "versionType": "custom",
        "lessThan": "2026.3.2"
      },
      {
        "status": "affected",
        "version": "2025.0",
        "versionType": "custom",
        "lessThan": "2026.2.3"
      },
      {
        "status": "affected",
        "version": "12.0",
        "versionType": "custom",
        "lessThan": "12.12.3"
      }
    ],
    "defaultStatus": "unaffected",
    "platforms": [
      "Default"
    ]
  },
  {
    "vendor": "WatchGuard",
    "product": "Fireware OS",
    "versions": [
      {
        "status": "affected",
        "version": "12.0",
        "versionType": "custom",
        "lessThan": "12.5.21"
      }
    ],
    "defaultStatus": "unaffected",
    "platforms": [
      "T15/T35"
    ]
  }
]

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