CVE-2026-83231 Oracle Fusion Middleware Helidon - Undefined

Oracle Fusion Middleware Helidon 3.0.0-3.2.20 and 4.0.0-4.5.4 contains an undefined vulnerability in helidon-dbclient-mongodb, letting unauthenticated network attackers access and partially disrupt data, exploit requires network access via HTTP with high complexity.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.28% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Undefined
Impact
Information Disclosure, Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest Helidon version beyond 4.5.4.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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