CVE-2026-73877CWE-284broken-access-control

CVE-2026-73877

Medium · published August 19, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
23.7
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. 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).

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00319 · 23.7th 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