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CVE-2026-71102

Medium

Elevated severity or exploit probability.

CVSS base
9.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS — probability of exploitation (30 days)
0.4%
35.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-284
Published 2026-08-18 · modified 2026-08-20

CVSS breakdown

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

Attack VectorNNetwork
Attack ComplexityLLow
Privileges RequiredNNone
User InteractionNNone
ScopeUUnchanged
ConfidentialityNNone
IntegrityHHigh
AvailabilityHHigh

Timeline

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).

Affected

oracle

References

Official: NVD · CVE.org