SEPTEMBER 17, 2026
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Case File

CVE-2026-73930

CRITICAL · CVSS 9.9 EPSS 0.38% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-18 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The vulnerability in Oracle's Helidon component of Fusion Middleware (version 4.5.3) allows unauthenticated attackers with network access via HTTP to exploit the system, potentially leading to unauthorized creation, deletion, or modification of critical data, as well as unauthorized read access and partial denial of service. Given its critical severity rating of 9.9, organizations using this version of Helidon should prioritize immediate remediation efforts to mitigate the risk of data breaches and service disruptions.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-73930
Severity
CRITICAL
CVSS
9.9
EPSS
0.38%
Oracle

Original NVD Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.19 and 4.0.0-4.5.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, 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 Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L).

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