EUVD-2026-62106
GHSA-2r9f-7jv7-6v4p
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Network-reachable HTTP vector; low privilege required per authorization bypass nature; no availability impact and unchanged scope confirmed by description.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
1DescriptionCVE.org
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 3.2.18. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
AnalysisAI
Unauthorized data access in Oracle Helidon 3.2.18 (Imperative Web Server component) allows a low-privileged, network-adjacent attacker to read a subset of accessible data and perform unauthorized insert, update, or delete operations via HTTP. Tagged as an authentication bypass, the flaw enables privilege escalation beyond the attacker's authorized scope within the web server layer. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid low-privileged account (PR:L per CVSS vector) - unauthenticated access is not indicated. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.4 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N) reflects moderate real-world risk: network-reachable with low complexity, but requiring at least low-privileged authentication (PR:L) and limited to partial confidentiality and integrity impacts with no availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Consult the Oracle Critical Patch Update advisory for August 2026 at https://www.oracle.com/security-alerts/cspuaug2026.html to obtain the patched version; the exact fix version was not independently confirmable from the provided references, so defer to the official Oracle advisory for the precise target upgrade version. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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