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CVE-2026-21891 ZimaOS has Authentication Bypass via System-Level Username

🗓️ 08 Jan 2026 14:00:14Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

ZimaOS up to 1.5.0 allows login with any password for system service accounts, and no patch is available.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-21891
8 Jan 202615:00
circl
CNNVD
ZimaOS 安全漏洞
8 Jan 202600:00
cnnvd
CVE
CVE-2026-21891
8 Jan 202614:00
cve
EUVD
EUVD-2026-1670
8 Jan 202614:00
euvd
Nuclei
ZimaOS - Authentication Bypass
12 Jun 202603:02
nuclei
NVD
CVE-2026-21891
8 Jan 202614:15
nvd
OSV
CVE-2026-21891 ZimaOS has Authentication Bypass via System-Level Username
8 Jan 202614:00
osv
Positive Technologies
PT-2026-2122
8 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2026-21891
10 Jan 202605:40
redhatcve
VulnCheck KEV
VulnCheck KEV: CVE-2026-21891
7 Mar 202600:00
vulncheck_kev
Rows per page
[
  {
    "vendor": "IceWhaleTech",
    "product": "ZimaOS",
    "versions": [
      {
        "version": "<= 1.5.0",
        "status": "affected"
      }
    ]
  }
]

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