SEPTEMBER 19, 2026
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Case File

CVE-2026-73903

HIGH · CVSS 7.5 EPSS 0.33% 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 product, specifically in the Imperative Web Server component of Oracle Fusion Middleware version 4.5.1, allows unauthenticated attackers with network access to exploit the system via HTTP. This easily exploitable flaw can lead to unauthorized creation, deletion, or modification of critical data, posing significant integrity risks. Organizations using this version of Helidon should prioritize immediate remediation to safeguard their data integrity.

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-2026-73903
Severity
HIGH
CVSS
7.5
EPSS
0.33%
Oracle

Original NVD Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data. CVSS 3.1 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

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