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CVE-2026-109284

🗓️ 12 Oct 2026 16:04:46Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Improper authorization in Open WebUI chat fork handler allows unauthorized chat insertion.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-109284
12 Oct 202616:58
–circl
cvelist
Cvelist
CVE-2026-109284 Open WebUI 0.11.0 before 0.11.4 Improper Authorization via Chat Fork Endpoint
12 Oct 202616:04
–cvelist
euvd
EUVD
EUVD-2026-97586
12 Oct 202616:04
–euvd
mend
Mend
CVE-2026-109284
12 Oct 202616:04
–mend
nvd
NVD
CVE-2026-109284
12 Oct 202617:17
–nvd
ptsecurity
Positive Technologies
PT-2026-110701
12 Oct 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-109284 Open WebUI 0.11.0 before 0.11.4 Improper Authorization via Chat Fork Endpoint
12 Oct 202616:04
–vulnrichment
Vulners
CNA
Node
open-webuiopen-webuiRange0.11.0–0.11.4
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/open-webui",
    "versions": [
      {
        "version": "0.11.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "0.11.4"
      },
      {
        "version": "0.11.4",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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13 Oct 2026 17:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
CVSS 45.3
EPSS0.00209
SSVC
8