cve-2026-71063

CRITICAL CVSS 9.6 opencve
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 access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Portable Clusterware. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

Timeline
Published
2026-08-18 21:18 UTC
Last Modified
2026-08-20
CVSS Details

CVSS details not available.

Affected Products

No product information available.

Weaknesses (CWE)
CWE-284 CWE-269 CWE-285
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 9.6 CRITICAL CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H mitre
3.1 9.6 CRITICAL CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H nvd
3.1 9.6 CRITICAL CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H opencve
References

No references available.

Linked Vulnerabilities

No linked vulnerabilities found.

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Enrichment data
EPSS
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CISA KEV
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Aggregated bundle (all enrichments)
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