TI-2026-49722 Aliases CVE-2026-71029 GHSA-f6h3-5c7w-257j

Improper access control in Oracle Helidon

LOW 30CWE-284Published 2026-08-18 · Updated 2026-08-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

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. 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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00331 26th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Oracle	Helidon	3.0.0 – 3.2.17	—	No fix listed	CNA

Helidon VendorOracle Affected 3.0.0 – 3.2.17 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:oracle:helidon::::::::	3.0.0 – 3.2.17	Vulnerable	Oracle

cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:* Versions 3.0.0 – 3.2.17 Vulnerable ·Oracle

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-71029
2026-10-03 Alias added: GHSA-f6h3-5c7w-257j

References

Advisory 1

Oracle Advisory

TI-2026-51942 Improper access control in Oracle Helidon CVSS 3.1CRITICAL 9.9
TI-2026-51933 Improper access control in Oracle Helidon CVSS 3.1CRITICAL 9.8
TI-2026-51932 Improper access control in Oracle Helidon CVSS 3.1CRITICAL 9.4
TI-2026-51924 Improper access control in Oracle Helidon CVSS 3.1CRITICAL 9.8
TI-2026-51917 Improper access control in Oracle Helidon CVSS 3.1CRITICAL 9.8
TI-2026-49858 Improper access control in Oracle Helidon CVSS 3.1CRITICAL 9.4

See all 114 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences