CVE-2026-71065

critical · 9.3

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).

9.3

CVSS

0.4%

EPSS (exploit prob.)

29th

EPSS percentile

2026-08-18

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Weaknesses

CWE-284

Affected products

Vendor	Product	Affected versions
oracle	helidon	3.2.18

Check a specific version with /api/v1/cve/match.

References

https://www.oracle.com/security-alerts/cspuaug2026.html

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-71065