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CVE-2026-20202 Improper Input Validation during User Account Creation in Splunk Enterprise

🗓️ 15 Apr 2026 15:17:43Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 51 Views

CVE-2026-20202: Improper input validation lets high-privilege users create null or non UTF eight byte usernames, causing account management issues.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-20202
15 Apr 202615:17
–attackerkb
bdu_fstec
BDU FSTEC
Splunk Enterprise Data Compromise
1 Jul 202600:00
–bdu_fstec
circl
Circl
CVE-2026-20202
4 May 202623:08
–circl
cnnvd
CNNVD
Splunk Cloud Platform and Splunk Enterprise security vulnerabilities
15 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-20202
15 Apr 202615:17
–cve
euvd
EUVD
EUVD-2026-22930
15 Apr 202618:31
–euvd
nvd
NVD
CVE-2026-20202
15 Apr 202616:16
–nvd
ptsecurity
Positive Technologies
PT-2026-33064
15 Apr 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-20202: Improper Handling of Unicode Encoding
15 Apr 202600:00
–rapid7
nessus
Tenable Nessus
Splunk Enterprise 9.3.0 < 9.3.11, 9.4.0 < 9.4.10, 10.0.0 < 10.0.5, 10.2.0 < 10.2.2 (SVD-2026-0401)
15 Apr 202600:00
–nessus
Rows per page
[
  {
    "product": "Splunk Enterprise",
    "vendor": "Splunk",
    "versions": [
      {
        "version": "10.2",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "10.2.2"
      },
      {
        "version": "10.0",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "10.0.5"
      },
      {
        "version": "9.4",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "9.4.10"
      },
      {
        "version": "9.3",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "9.3.11"
      }
    ]
  },
  {
    "product": "Splunk Cloud Platform",
    "vendor": "Splunk",
    "versions": [
      {
        "version": "10.4.2603",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "Not Affected"
      },
      {
        "version": "10.3.2512",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "10.3.2512.6"
      },
      {
        "version": "10.2.2510",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "10.2.2510.10"
      },
      {
        "version": "10.1.2507",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "10.1.2507.20"
      },
      {
        "version": "10.0.2503",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "10.0.2503.13"
      },
      {
        "version": "9.3.2411",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "9.3.2411.127"
      }
    ]
  }
]

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