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Vulnerability record · CVE-2026-83439 · published 15 September 2026

CVE-2026-83439: Improper access control vulnerability

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-idcs-mapper). Supported versions that are affected are 3.0.0-3.2.20 and 4.0.0-4.5.4. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

8.1 CVSS 3.1 High EPSS 0.35% · top 74.0% CWE-284 · Improper access control Awaiting Analysis
8.1CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
18 Sep 2026Last modified by NVD

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-idcs-mapper). Supported versions that are affected are 3.0.0-3.2.20 and 4.0.0-4.5.4. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

LinkTags
https://www.oracle.com/security-alerts/cspusep2026.html

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Source: NIST National Vulnerability Database (record CVE-2026-83439), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.