Skip to main content

Oracle CVE-2026-83330

| EUVDEUVD-2026-79683 HIGH
Uncontrolled Resource Consumption (CWE-400)
2026-09-15 secalert_us@oracle.com GHSA-vxjw-v2hc-v7wx
7.5
CVSS 3.1 · Vendor: oracle
Share

Severity by source

Vendor (oracle) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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
High

Lifecycle Timeline

2
Analysis Generated
Sep 15, 2026 - 21:15 vuln.today
CVE Published
Sep 15, 2026 - 20:18 nvd
HIGH 7.5

DescriptionCVE.org

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: WebSocket). Supported versions that are affected are 4.0.0-4.5.4. 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 hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

AnalysisAI

Denial of service in Oracle Helidon versions 4.0.0 through 4.5.4 allows an unauthenticated remote attacker to hang or repeatedly crash the server by sending crafted traffic to the WebSocket component over HTTP. The flaw is rated CVSS 3.1 base 7.5 (AV:N/AC:L/PR:N/UI:N, availability impact only) and Oracle's own advisory text describes it as easily exploitable. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Threat intelligence, references, and detailed analysis are available after sign-in.

Share

CVE-2026-83330 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy