Vulnerability in Oracle Corporation Helidon
CVE-2026-101573
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-http-auth). Supported versions that are affected are 3.0.0-3.2.21, 4.0.0-4.5.5 and 27.0.0. Difficult to exploit 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. CVSS 3.1 Base Score 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Oracle Corporation Helidon — versions 27.0.0
References
- www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-101573?
- CVE-2026-101573 is a medium-severity vulnerability in Oracle Corporation Helidon. CVSS score: 6.8/10. Published 2026-10-20.
- How severe is CVE-2026-101573?
- Medium severity. CVSS v3 base score is 6.8 out of 10.