Oracle Database Server: improper access control
High8.5CVE-2026-71062 · Published Aug 18, 2026 · updated Aug 20, 2026
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Oracle Database Server Product | >= 23.4.0, <= 23.26.3 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-284
More Oracle advisories
All Oracle| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 18 | Helidon: data tampering via Imperative Web Server | High8.6 | No fix yet |
| Aug 18 | Helidon: data tampering via Imperative Web Server | Critical9.9 | No fix yet |
| Aug 18 | Helidon: data tampering via Imperative Web Server | High8.3 | No fix yet |
| Aug 18 | Helidon: flaw in Imperative Web Server | Medium5.3 | No fix yet |
| Aug 18 | Helidon: data tampering via Imperative Web Server | High7.3 | No fix yet |
| Aug 18 | Helidon: denial of service via Imperative Web Server | High7.5 | No fix yet |