Improper access control in Oracle Database Server
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- 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 Portable Clusterware 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 HTTP to compromise Portable Clusterware. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Portable Clusterware accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Portable Clusterware. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-71102
- 2026-10-03 Alias added: GHSA-7r9w-hxhm-rf6w
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-2026-71102 · CVE Program
- CVE-2026-71102 · NVD
- FIRST EPSS
- GHSA-7r9w-hxhm-rf6w · 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