# CVE-2026-101571: CVE-2026-101571

Status: published. Published: 2026-10-20. Updated: 2026-11-06.

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).

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Oracle Corporation / Helidon: ≥ 3.0.0; ≤ 3.2.21 (affected, custom); ≥ 4.0.0; ≤ 4.5.5 (affected, custom). Source: CNA: oracle

## Severity and prioritization

- CVSS 3.1: 5.6 (medium); CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N; source: CNA: oracle

- CVSS 3.1: 5.6 (medium); CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N; source: NVD: secalert_us@oracle.com

- CISA KEV: No listing in collected sources

- EPSS: 0.12% as of 2026-11-06; percentile 1.71%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-284

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.oracle.com/security-alerts/cpuoct2026.html (CNA: oracle; vendor-advisory)

- https://www.oracle.com/security-alerts/cpuoct2026.html (secalert_us@oracle.com)

## Provenance

- CNA: oracle: https://www.cve.org/CVERecord?id=CVE-2026-101571; retrieved 2026-11-06; source updated 2026-11-06

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-101571; retrieved 2026-11-07; source updated 2026-11-06

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-101571; retrieved 2026-11-06; source updated Not reported

Revision: 734b24d335c0382d911f626355cbb881476a8cd70c4fb71933a41dfd1ef6427e

Canonical: https://y2.dev/cve/CVE-2026-101571

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