CVE WatchAug 21, 2026

CVE-2026-73931

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

CVSS

8.3

High

EPSS

0.2%

p15

KEV

—

Exploit Today

0-100

Published: Aug 18, 2026 · Last modified: Aug 21, 2026 · CWE-284

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-08-192026-08-26

Technical description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.3. 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 update, insert or delete access to some of 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 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L).

Official references

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

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