CVE WatchAug 28, 2026

CVE-2026-73865

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected a

CVSS

9.1

Critical

EPSS

0.3%

p23

KEV

—

Exploit Today

0-100

Published: Aug 18, 2026 · Last modified: Aug 28, 2026 · CWE-284

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-08-192026-09-09

Technical description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. 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 as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

Official references

www.oracle.comhttps://www.oracle.com/security-alerts/cspuaug2026.html

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