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CVE-2026-21999

🗓️ 21 Apr 2026 20:34:59Reported by oracleType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

CVE-2026-21999 describes a security vulnerability.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-21999
21 Apr 202620:34
–attackerkb
bdu_fstec
BDU FSTEC
Oracle Database Server XML Unauthorized Access
24 Jun 202600:00
–bdu_fstec
cnnvd
CNNVD
Oracle Database Server security vulnerabilities
21 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-21999
21 Apr 202620:34
–cve
euvd
EUVD
EUVD-2026-24297
21 Apr 202621:31
–euvd
nvd
NVD
CVE-2026-21999
21 Apr 202621:16
–nvd
oracle
Oracle
Oracle Critical Patch Update Advisory - April 2026
24 Apr 202600:00
–oracle
nessus
Tenable Nessus
Oracle Database Server (April 2026 CPU)
24 Apr 202600:00
–nessus
ptsecurity
Positive Technologies
PT-2026-34069
21 Apr 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-21999: Exposure of Sensitive Information to an Unauthorized Actor
21 Apr 202600:00
–rapid7
Rows per page
[
  {
    "vendor": "Oracle Corporation",
    "product": "Oracle Database Server",
    "versions": [
      {
        "version": "23.4.0",
        "status": "affected",
        "lessThanOrEqual": "23.26.1",
        "versionType": "custom"
      }
    ]
  }
]

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21 Apr 2026 20:34Current
CVSS 3.15.3
EPSS0.00243
SSVC
55