CVE-2026-71102

Published Aug 18, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
Vulnerability 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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated HTTP Access Enables Unauthorized Data Modification and Denial of Service in Oracle Portable Clusterware
Type Values Removed Values Added
First Time appeared Oracle database Server
CPEs cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*
Vendors & Products Oracle database Server
Type Values Removed Values Added
Title Unauthenticated HTTP Access Enables Unauthorized Data Modification and Denial of Service in Oracle Portable Clusterware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Unauthenticated HTTP Exploit in Oracle Portable Clusterware Allowing Data Modification and Denial of Service
Type Values Removed Values Added
Title Unauthenticated HTTP Exploit in Oracle Portable Clusterware Allowing Data Modification and Denial of Service
Weaknesses CWE-284
Type Values Removed Values Added
Description Vulnerability 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).
First Time appeared Oracle
Oracle database - Portable Clusterware
CPEs cpe:2.3:a:oracle:database_-_portable_clusterware:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle database - Portable Clusterware
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Aug 19, 2026, 4:01 PM
Reserved
Aug 4, 2026, 10:06 PM
Status
Analyzed
Published
Aug 18, 2026, 9:18 PM
Modified
Oct 22, 2026, 5:09 PM