CVE-2026-71065CWE-284broken-access-control

CVE-2026-71065

Critical · published August 19, 2026

CVSS v3.1
9.3
EPSS
0%
Percentile
27.5
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 3.0.0-3.2.17. 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 access to critical data or complete access to all Helidon accessible data as well as unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00353 · 27.5th 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