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CVE-2026-86863 pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode

🗓️ 17 Sep 2026 15:30:58Reported by PostgreSQLType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Unauthenticated auth bypass in pgAdmin 4 Webserver mode via client-controlled identity header.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-86863
17 Sep 202617:40
circl
cve
CVE
CVE-2026-86863
17 Sep 202615:30
cve
euvd
EUVD
EUVD-2026-81895
17 Sep 202615:30
euvd
nvd
NVD
CVE-2026-86863
17 Sep 202616:18
nvd
redhatcve
RedhatCVE
CVE-2026-86863
17 Sep 202618:18
redhatcve
vulnrichment
Vulnrichment
CVE-2026-86863 pgAdmin 4: Authentication bypass via a client-controlled identity header in Webserver authentication mode
17 Sep 202615:30
vulnrichment
[
  {
    "vendor": "pgadmin.org",
    "product": "pgAdmin 4",
    "repo": "https://github.com/pgadmin-org/pgadmin4",
    "modules": [
      "Authentication"
    ],
    "programFiles": [
      "https://github.com/pgadmin-org/pgadmin4/blob/master/web/pgadmin/authenticate/webserver.py"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "6.2",
        "lessThan": "9.18",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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