Critical 9.1Published Aug 18, 2026

CVE-2026-71102Vulnerability in the Portable Clusterware component of Oracle Database Server.

Updated under an hour ago (2026-10-19 06:20 UTC)

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It affects Oracle Corporation Oracle Database Server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Oracle Corporation Oracle Database Server

Exploited in the last 30 days

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).

CVSS: 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness (CWE): CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: oracle
NVD analysis: Analyzed
Record last updated: Aug 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Oracle Corporation Oracle Database Server oracle:database_server (from the name)	from 19.3 through 19.32; from 21.3 through 21.23; from 23.4.0 through 23.26.3	CNA record
oracle database_server oracle:database_server	from 19.3 through 19.32; from 21.3 through 21.23; from 23.4.0 through 23.26.3	NVD

References

https://www.oracle.com/security-alerts/cspuaug2026.htmlvendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.