CVE-2026-71074CWE-284broken-access-control

CVE-2026-71074

Critical · published August 19, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
42.2
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 1.0.0-1.4.19 and 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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (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:H).

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00508 · 42.2th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-08-19T01:18Z
Affected products (1)
ProductVersionsFixed in
oracle/helidonall versions—
References (1)
https://www.oracle.com/security-alerts/cspuaug2026.html · [email protected]
EPSS history
Timeline
  • 18 AUG 21:03Z
    Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
    cvelistv5