Medium severity · published Aug 18, 2026
CVE-2026-71100
Vulnerability in the RDBMS component of Oracle Database Server
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OD
Oracle Database Server · Oracle Corporation
19.3 through 19.32; 21.3 through 21.23; 23.4.0 through 23.26.3 · source: vendor
DS
Database Server · Oracle
19.3 through 19.32; 21.3 through 21.23; 23.4.0 through 23.26.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71100
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71100
Vendor Advisory
https://www.oracle.com/security-alerts/cspuaug2026.html
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