High severity · published Sep 15, 2026
CVE-2026-83231
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-dbclient-mongodb)
7.0
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-dbclient-mongodb). Supported versions that are affected are 3.0.0-3.2.20 and 4.0.0-4.5.4. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data as well as unauthorized update, insert or delete access to some of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
Helidon · Oracle Corporation
3.0.0 through 3.2.20; 4.0.0 through 4.5.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-83231
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-83231
www.oracle.com
https://www.oracle.com/security-alerts/cspusep2026.html
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