Vulnerability Details CVE-2026-87289
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-static-content). 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 hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 38.2%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-87289
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cpe:2.3:a:oracle:helidon:4.0.0
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cpe:2.3:a:oracle:helidon:4.0.1
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cpe:2.3:a:oracle:helidon:4.0.10
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cpe:2.3:a:oracle:helidon:4.0.11
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cpe:2.3:a:oracle:helidon:4.0.12
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cpe:2.3:a:oracle:helidon:4.0.2
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cpe:2.3:a:oracle:helidon:4.0.3
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cpe:2.3:a:oracle:helidon:4.0.4
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cpe:2.3:a:oracle:helidon:4.0.5
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cpe:2.3:a:oracle:helidon:4.0.6
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cpe:2.3:a:oracle:helidon:4.0.7
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cpe:2.3:a:oracle:helidon:4.0.8
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cpe:2.3:a:oracle:helidon:4.0.9
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cpe:2.3:a:oracle:helidon:4.1.0
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cpe:2.3:a:oracle:helidon:4.1.1
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cpe:2.3:a:oracle:helidon:4.1.2
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cpe:2.3:a:oracle:helidon:4.1.3
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cpe:2.3:a:oracle:helidon:4.1.4
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cpe:2.3:a:oracle:helidon:4.1.5
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cpe:2.3:a:oracle:helidon:4.1.6
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cpe:2.3:a:oracle:helidon:4.1.7
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cpe:2.3:a:oracle:helidon:4.2.0
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cpe:2.3:a:oracle:helidon:4.2.1
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cpe:2.3:a:oracle:helidon:4.2.2
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cpe:2.3:a:oracle:helidon:4.2.3
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cpe:2.3:a:oracle:helidon:4.2.4
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cpe:2.3:a:oracle:helidon:4.2.5
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cpe:2.3:a:oracle:helidon:4.2.6
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cpe:2.3:a:oracle:helidon:4.2.7
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cpe:2.3:a:oracle:helidon:4.3.0
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cpe:2.3:a:oracle:helidon:4.3.1
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cpe:2.3:a:oracle:helidon:4.3.2
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cpe:2.3:a:oracle:helidon:4.3.3
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cpe:2.3:a:oracle:helidon:4.3.4
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cpe:2.3:a:oracle:helidon:4.4.0
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cpe:2.3:a:oracle:helidon:4.4.1
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cpe:2.3:a:oracle:helidon:4.5.0
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cpe:2.3:a:oracle:helidon:4.5.1
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cpe:2.3:a:oracle:helidon:4.5.2
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cpe:2.3:a:oracle:helidon:4.5.3