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Medium severity5.3NVD Advisory· Published Sep 15, 2026· Updated Sep 28, 2026

CVE-2026-83458

CVE-2026-83458

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: JSON). Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Affected products

2
  • Oracle Corporation/Helidon2 versions
    cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*range: >=4.0.0,<=4.5.4
    • (no CPE)range: 4.0.0-4.5.4

Patches

Vulnerability mechanics

References

1

News mentions

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