CVE-2026-71102CWE-284broken-access-control

CVE-2026-71102

Critical · published August 19, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
37.8
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00447 · 37.8th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-08-19T01:18Z
Affected products (3)
ProductVersionsFixed in
oracle/database_server≥ 19.3, ≤ 19.32—
oracle/database_server≥ 21.3, ≤ 21.23—
oracle/database_server≥ 23.4.0, ≤ 23.26.3—
References (1)
https://www.oracle.com/security-alerts/cspuaug2026.html · [email protected]
EPSS history
Timeline
  • 18 AUG 21:03Z
    Vulnerability in the Portable Clusterware component of Oracle Database Server
    cvelistv5