CVE-2026-71102

CriticalCVSS 9.1/10Last modified Oct 22, 2026

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).

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-284

Affected software

VendorProductVersions
Oracle CorporationOracle Database Server>= 19.3, <= 19.32; >= 21.3, <= 21.23; >= 23.4.0, <= 23.26.3

References

Timeline

Published
Aug 18, 2026
Last modified
Oct 22, 2026
NVD status
Analyzed

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CVE-2026-71102: Critical severity, CVSS 9.1 | Vulnix