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OracleCVE-2026-83439

Helidon: data tampering via helidon-security-providers-idcs-mapper

Oracle

CVE-2026-83439 · Published Sep 15, 2026 · updated Sep 28, 2026

High8.1
No fix yet
Oracle advisory

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).

Affected versions

PackageAffectedFixed in
Helidon
Product
>= 3.0.0, <= 3.2.20No fix yet
>= 4.0.0, <= 4.5.4No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-284

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