CVE-2026-73871

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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

• CWE-284

• https://www.oracle.com/security-alerts/cspuaug2026.htmlVendor Advisory

Published

Aug 18, 2026

Last Modified

Aug 28, 2026

Status

Modified

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• CVE-2026-73867Vulnerability in the Helidon product of Oracle Fusion Middle…6.5
• CVE-2026-73868Vulnerability in the Helidon product of Oracle Fusion Middle…6.5
• CVE-2026-73869Vulnerability in the Helidon product of Oracle Fusion Middle…6.1
• CVE-2026-7387Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.1…8.8
• CVE-2026-73870Vulnerability in the Helidon product of Oracle Fusion Middle…6.1
• CVE-2026-73872Vulnerability in the Helidon product of Oracle Fusion Middle…5.3
• CVE-2026-73873Vulnerability in the Helidon product of Oracle Fusion Middle…4.2
• CVE-2026-73874Vulnerability in the Helidon product of Oracle Fusion Middle…5.4
• CVE-2026-73875Vulnerability in the Helidon product of Oracle Fusion Middle…7.2
• CVE-2026-73876Vulnerability in the Helidon product of Oracle Fusion Middle…7.2
• CVE-2026-73877Vulnerability in the Helidon product of Oracle Fusion Middle…5.3