AUGUST 25, 2026
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Case File

CVE-2026-73936

HIGH · CVSS 7.5 EPSS 0.42% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-18 · Last synced 2026-08-25

CyberRota Analysis

AI-Generated

The vulnerability in Oracle's Helidon component of Fusion Middleware version 4.5.1 allows unauthenticated attackers with network access to exploit the Imperative Web Server, leading to a denial-of-service condition. Successful exploitation can result in frequent crashes or hangs of the Helidon service, severely impacting availability. Organizations using this version of Oracle Fusion Middleware should prioritize remediation to mitigate potential disruptions to their services.

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-2026-73936
Severity
HIGH
CVSS
7.5
EPSS
0.42%
Oracle

Original NVD Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.1. 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).

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