CVE-2026-101583 Oracle Fusion Middleware Helidon - Broken Access Control

Oracle Fusion Middleware Helidon 4.0.0-4.5.5 and 27.0.0 contains an unauthorized data modification and partial denial of service vulnerability in helidon-common-mapper, letting unauthenticated attackers with network HTTP access modify critical data, read some data, and cause partial DoS, exploit requires high attack complexity.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L
Published
20 October 2026
Updated
21 October 2026

Vendor fix

Update to the latest version of Oracle Fusion Middleware Helidon.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs