CVE-2026-71100
Medium
Description
Vulnerability in the RDBMS 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 Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
SeverityMedium
CVSS5.3
Exploit probability—
Product
Oracle Database Server
PublishedAug 18, 2026
First seenAug 18, 2026
Weakness typeCWE-284Improper access control
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| oracle database_server | 19.3 ≤ v ≤ 19.32, 21.3 ≤ v ≤ 21.23, 23.4.0 ≤ v ≤ 23.26.3 | — |
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