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CVE-2026-109371 ZITADEL 3.0.0 before 4.18.0 Unauthenticated Username Change via Login V1

🗓️ 12 Oct 2026 16:05:44Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Unauthenticated username change in ZITADEL Login V1 UI allows renaming any human user.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-109371
12 Oct 202617:54
–circl
cve
CVE
CVE-2026-109371
12 Oct 202616:05
–cve
euvd
EUVD
EUVD-2026-97669
12 Oct 202616:05
–euvd
mend
Mend
CVE-2026-109371
12 Oct 202616:05
–mend
nvd
NVD
CVE-2026-109371
12 Oct 202617:17
–nvd
osv_cga
osv_cga
CGA-6F62-FP64-XP34
16 Oct 202618:49
–osv_cga
osv_cga
osv_cga
CGA-MRCQ-WF7W-P4R4
16 Oct 202618:53
–osv_cga
osv_cve
osv_cve
CVE-2026-109371 ZITADEL 3.0.0 before 4.18.0 Unauthenticated Username Change via Login V1
12 Oct 202616:05
–osv_cve
ptsecurity
Positive Technologies
PT-2026-110784
12 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-109371: Missing Authentication for Critical Function
12 Oct 202600:00
–rapid7
Rows per page
[
  {
    "vendor": "zitadel",
    "product": "zitadel",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:golang/github.com/zitadel/zitadel",
    "versions": [
      {
        "version": "3.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.18.0"
      },
      {
        "version": "4.18.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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12 Oct 2026 16:05Current
CVSS 3.18.2
CVSS 48.8
EPSS0.00363
SSVC
37