Medium severity · published Oct 20, 2026
CVE-2026-101571
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-idcs-mapper)
5.6
CVSS
0.1%
EPSS
No
On KEV
Description
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-idcs-mapper). Supported versions that are affected are 3.0.0-3.2.21 and 4.0.0-4.5.5. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Helidon executes 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 5.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N).
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
Helidon · Oracle Corporation
3.0.0 through 3.2.21; 4.0.0 through 4.5.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-101571
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-101571
www.oracle.com
https://www.oracle.com/security-alerts/cpuoct2026.html
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