What is the CVSS score of EUVD-2026-62175?

EUVD-2026-62175 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.3%.

Oracle Helidon EUVD-2026-62175

| CVE-2026-73932 MEDIUM

Improper Access Control (CWE-284)

2026-08-18 secalert_us@oracle.com

GHSA-jjq9-24q6-vwg5

Denial Of Service Oracle Authentication Bypass Helidon

5.3

CVSS 3.1 · Vendor: oracle

Severity by source

Vendor (oracle) PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

vuln.today AI

5.3 MEDIUM

Network-reachable HTTP endpoint, no authentication, no interaction needed; impact is availability-only and partial, scope unchanged.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Aug 19, 2026 - 02:40 vuln.today

DescriptionCVE.org

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.3. 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).

AnalysisAI

Partial denial of service in Oracle Helidon 4.5.3 is reachable by unauthenticated network attackers over HTTP, targeting the Imperative Web Server component within Oracle Fusion Middleware. Successful exploitation degrades availability without compromising confidentiality or integrity. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send crafted HTTP request to Helidon endpoint

Exploit

Trigger flaw in Imperative Web Server

Impact

Cause partial service unavailability

Access

Send crafted HTTP request to Helidon endpoint

Exploit

Trigger flaw in Imperative Web Server

Impact

Cause partial service unavailability

Vulnerability AssessmentAI

Exploitation	No special configuration is required - the vulnerability is present in Helidon 4.5.3 with the Imperative Web Server component exposed over HTTP, which is a standard deployment mode. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	The CVSS 3.1 base score of 5.3 is consistent with the vector metrics: network-accessible, low complexity, no privileges or user interaction required, but availability impact is only partial (A:L) and scope is unchanged (S:U). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An unauthenticated remote attacker sends crafted or high-volume HTTP requests to a Helidon 4.5.3 Imperative Web Server endpoint accessible over the network. The server's availability is partially degraded, potentially causing service disruptions for legitimate users of the microservice. …
Remediation	Consult the Oracle Critical Security Patch Update for August 2026 at https://www.oracle.com/security-alerts/cspuaug2026.html for the official patch. … Detailed patch versions, workarounds, and compensating controls in full report.