Vulnerability in Oracle Corporation Database Server
CVE-2026-71100
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).
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-71100?
- CVE-2026-71100 is a medium-severity vulnerability in Oracle Corporation Database Server, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-08-18.
- How severe is CVE-2026-71100?
- Medium severity. CVSS v3 base score is 5.3 out of 10.