Improper access control in Oracle Database Server
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.30. Easily exploitable vulnerability allows high privileged attacker having Row Access Method privilege with network access via multiple protocols to compromise RDBMS. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle Database Server — oracle.com/security-alerts/cpuapr2026.html
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-27381 Improper access control in Oracle Database ServerPriority LOW 39
- TI-2026-17696 Information disclosure in Oracle Database ServerPriority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2026-34312
- 2026-10-03 Alias added: GHSA-6fw3-qc3h-w7c9
References
Advisory 1
More Oracle Database Server vulnerabilities
- TI-2009-01887 Unspecified vulnerability in the Network Authentication component in Oracle Database… CVSS 2.0HIGH 10.0
- TI-2002-00816 Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before… CVSS 2.0MEDIUM 6.8
- TI-2012-01463 The TNS Listener, as used in Oracle Database 11g 11.1.0.7, 11.2.0.2, and 11.2.0.3, and… CVSS 2.0HIGH 7.5
- TI-2010-03429 Unspecified vulnerability in the Client System Analyzer component in Oracle Database… CVSS 2.0HIGH 7.5
- TI-2006-00277 Unspecified vulnerability in the Oracle HTTP Server component of Oracle Database Server… CVSS 2.0HIGH 10.0
- TI-2018-10571 FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to execute… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-34312 · CVE Program
- CVE-2026-34312 · NVD
- FIRST EPSS
- GHSA-6fw3-qc3h-w7c9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences