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CVE-2026-91503

Type: advisorySource: Official CVE List1 source record

Vulnerability in the VPD component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Announced Group revision 1
Original source ↗

CVE-2026-91503

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-91503

Oracle Database Server

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Oracle Corporation",
    "product": "Oracle Database Server",
    "versions": [
      {
        "status": "affected",
        "version": "19.3",
        "versionType": "custom",
        "lessThanOrEqual": "19.32"
      },
      {
        "status": "affected",
        "version": "21.3",
        "versionType": "custom",
        "lessThanOrEqual": "21.23"
      },
      {
        "status": "affected",
        "version": "23.4.0",
        "versionType": "custom",
        "lessThanOrEqual": "23.26.3"
      }
    ]
  }
]
Related CVEs
CVE-2026-91503

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#55670 · Revision 1
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Publisher date
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