AUGUST 25, 2026
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Case File

CVE-2026-73935

HIGH · CVSS 7.5 EPSS 0.31% Public Exploit

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

CyberRota Analysis

AI-Generated

The Helidon component of Oracle Fusion Middleware version 4.5.1 is vulnerable to an easily exploitable denial-of-service attack via HTTP/2, allowing unauthenticated attackers with network access to cause the server to hang or crash. This vulnerability poses a significant availability risk, making it critical for organizations using this version of Helidon to prioritize remediation efforts. System administrators and security teams managing Oracle Fusion Middleware should take immediate action to mitigate this threat.

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-2026-73935
Severity
HIGH
CVSS
7.5
EPSS
0.31%
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/2 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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