CVE-2026-71167CWE-284broken-access-control

CVE-2026-71167

Critical · published August 19, 2026

CVSS v3.1
9.4
EPSS
0%
Percentile
38.5
In the wild
Unconfirmed
What it is

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 9.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L).

The record
Technical detail
CVSS v3.1
9.4 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00455 · 38.5th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-08-19T01:18Z
Affected products (1)
ProductVersionsFixed in
oracle/helidonall versions—
References (1)
EPSS history
Timeline
  • 18 AUG 21:03Z
    Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
    cvelistv5