# CVE-2026-101573: CVE-2026-101573

Status: published. Published: 2026-10-20. Updated: 2026-11-08.

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).

## 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); 27.0.0 (affected, semver). Source: CNA: oracle

## Severity and prioritization

- CVSS 3.1: 6.8 (medium); CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N; source: CNA: oracle

- CVSS 3.1: 6.8 (medium); CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N; source: NVD: secalert_us@oracle.com

- CISA KEV: No listing in collected sources

- EPSS: 0.26% as of 2026-11-08; percentile 17.42%

- 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-2026-101573; retrieved 2026-11-08; source updated 2026-11-08

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-101573; retrieved 2026-11-09; source updated 2026-11-08

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-101573; retrieved 2026-11-08; source updated Not reported

Revision: 628a43f7df98d45ccc557703aebe011474099648d8da1f07892a1ce79365b541

Canonical: https://y2.dev/cve/CVE-2026-101573

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