CVE-2026-71102

critical · 9.1

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).

9.1

CVSS

0.4%

EPSS (exploit prob.)

39th

EPSS percentile

2026-08-18

Published

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

Weaknesses

CWE-284

Affected products

Vendor	Product	Affected versions
oracle	database_server	>= 19.3, <= 19.32
oracle	database_server	>= 21.3, <= 21.23
oracle	database_server	>= 23.4.0, <= 23.26.3

Check a specific version with /api/v1/cve/match.

References

https://www.oracle.com/security-alerts/cspuaug2026.html

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-71102