Medium severity · published Oct 20, 2026
CVE-2026-91615
Vulnerability in the Java VM component of Oracle Database Server
6.3
CVSS
0.2%
EPSS
No
On KEV
Description
Vulnerability in the Java VM 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. Difficult to exploit vulnerability allows low privileged attacker having None privilege with network access via SOCKS5 to compromise Java VM. While the vulnerability is in Java VM, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data. CVSS 3.1 Base Score 6.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% 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
Affected product
OD
Oracle Database Server
Oracle Corporation
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