CVE WatchAug 28, 2026

CVE-2026-73877

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

CVSS

5.3

Medium

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 read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Official references

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

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