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Oracle CVE-2026-83459

| EUVDEUVD-2026-79758 MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-09-15 secalert_us@oracle.com GHSA-g4qc-w2f7-c3fc
5.3
CVSS 3.1 · Vendor: oracle
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Severity by source

Vendor (oracle) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from Vendor (oracle) · only source for this CVE.

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

1
Analysis Generated
Sep 15, 2026 - 21:58 vuln.today

DescriptionCVE.org

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-media-multipart). Supported versions that are affected are 3.0.0-3.2.20. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

AnalysisAI

Unauthenticated HTTP requests can drive Oracle Helidon 3.0.0 through 3.2.20 into a partial denial-of-service condition through the helidon-media-multipart component, which handles multipart/form-data parsing. The flaw is network-reachable with no privileges or user interaction (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L, base 5.3) and impacts availability only — confidentiality and integrity are unaffected. …

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CVE-2026-83459 vulnerability details – vuln.today

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