Auth bypass in Oracle Database Server
CVE-2026-47038
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows high privileged attacker having None privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).
Vulnerability class: Broken Authentication
EPSS: 0.003 (20.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Oracle Database_server
- Oracle Corporation Database Server — versions 19.3, 21.3, 23.4.0
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-47038?
- CVE-2026-47038 is a low-severity vulnerability in Oracle Database Server, classified under Missing Authentication for Critical Function. CVSS score: 2.7/10. Published 2026-07-21.
- How severe is CVE-2026-47038?
- Low severity. CVSS v3 base score is 2.7 out of 10.