CVE-2026-71102

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-71102
StatePUBLISHED
Assigneroracle
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-18 21:18:10 UTC
Updated2026-08-20 15:09:08 UTC
DescriptionVulnerability in the Portable Clusterware 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 unauthenticated attacker with network access via HTTP to compromise Portable Clusterware. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Portable Clusterware accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Portable Clusterware. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS: 0.004160000 probability, percentile 0.350010000 (date 2026-08-21)

Problem Types: CWE-284 | Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Portable Clusterware. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Portable Clusterware accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Portable Clusterware. | CWE-284 CWE-284 Improper Access Control

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Oracle Database Server All All All All
Application Oracle Database Server All All All All
Application Oracle Database Server All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Oracle Corporation Oracle Database Server affected 19.3 19.32 custom Not specified
CNA Oracle Corporation Oracle Database Server affected 21.3 21.23 custom Not specified
CNA Oracle Corporation Oracle Database Server affected 23.4.0 23.26.3 custom Not specified

References

ReferenceSourceLinkTags
www.oracle.com/security-alerts/cspuaug2026.html [email protected] www.oracle.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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