CVE-2026-101572CWE-400denial-of-service

CVE-2026-101572

High · published October 21, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
37.2
In the wild
Unconfirmed
What it is

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http2). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00441 · 37.2th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-10-21T02:18Z
References (1)
https://www.oracle.com/security-alerts/cpuoct2026.html · [email protected]
EPSS history
Timeline
  • 22 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:21Z
    Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http2)
    cvelistv5
  • 20 OCT 21:21Z
    Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http2)
    cvelistv5