CVE-2026-73900

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.0. 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).

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cspuaug2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:oracle:helidon:4.5.1:*:*:*:*:*:*:*

History

22 Oct 2026, 17:09

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad en el producto Helidon de Oracle Fusion Middleware (componente: servidor web Imperativo). La versión compatible que está afectada es 4.5.1. Vulnerabilidad fácilmente explotable permite a un atacante no autenticado con acceso de red a través de HTTP comprometer Helidon. Los ataques exitosos de esta vulnerabilidad pueden resultar en acceso de lectura no autorizado a un subconjunto de datos accesibles de Helidon. Puntuación Base CVSS 3.1 de 5.3 (Impactos en la Confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Information

Published : 2026-08-18 21:18

Updated : 2026-10-22 17:09

NVD link : CVE-2026-73900

Mitre link : CVE-2026-73900

CVE.ORG link : CVE-2026-73900

JSON object : View

Products Affected

oracle

helidon

CWE

CWE-284

Improper Access Control

{"id": "CVE-2026-73900", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73900", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-19T14:24:14.451986Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert_us@oracle.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "secalert_us@oracle.com", "affectedData": [{"vendor": "Oracle Corporation", "product": "Helidon", "versions": [{"status": "affected", "version": "4.0.0", "versionType": "custom", "lessThanOrEqual": "4.5.0"}]}]}], "published": "2026-08-18T21:18:22.660", "references": [{"url": "https://www.oracle.com/security-alerts/cspuaug2026.html", "tags": ["Vendor Advisory"], "source": "secalert_us@oracle.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.0. 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)."}, {"lang": "es", "value": "Vulnerabilidad en el producto Helidon de Oracle Fusion Middleware (componente: servidor web Imperativo). La versi\u00f3n compatible que est\u00e1 afectada es 4.5.1. Vulnerabilidad f\u00e1cilmente explotable permite a un atacante no autenticado con acceso de red a trav\u00e9s de HTTP comprometer Helidon. Los ataques exitosos de esta vulnerabilidad pueden resultar en acceso de lectura no autorizado a un subconjunto de datos accesibles de Helidon. Puntuaci\u00f3n Base CVSS 3.1 de 5.3 (Impactos en la Confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)."}], "lastModified": "2026-10-22T17:09:59.477", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:helidon:4.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E261D3A2-E269-47E3-AB5A-F1C7E5A2B573"}], "operator": "OR"}]}], "sourceIdentifier": "secalert_us@oracle.com"}