CVE-2026-73923
LowCVSS 3.7Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
Vulnerability in Oracle Fusion Middleware's Helidon product (component: Imperative Web Server) in versions 1.0.0-1.4.19. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon, resulting in unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 3.7 (Integrity impacts).
Risk Assessment
An attacker could unauthorizedly modify data in Helidon, potentially leading to data integrity issues. Due to the difficulty of exploitation, the risk is moderate.
Recommendation
Apply patches provided by Oracle for Helidon versions 1.0.0-1.4.19 to remediate the vulnerability.
Other vulnerabilities in Helidon
See all- CVE-2026-73930Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server component) affects versions 3.0.0-3.2.19 and 4.0.0-4.5.2. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to perform unauthorized creation, deletion, or modification of data, unauthorized read access to a subset of data, and cause partial denial of service. Attacks may impact additional products (scope change). CVSS score 9.9.
- CVE-2026-73924Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server) versions 1.0.0-1.4.18. Allows unauthenticated attacker via HTTP to perform unauthorized creation, deletion, or modification of data and access data. CVSS 9.1.
- CVE-2026-73922Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server) versions 1.0.0-1.4.18. Allows unauthenticated attacker via HTTP to perform unauthorized creation, deletion, or modification of data and access data. CVSS 9.1.
- CVE-2026-73921Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server component) affects versions 1.0.0-1.4.19. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to take over Helidon. CVSS score 9.8.
- CVE-2026-73920Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server) versions 4.0.0-4.4.1. Allows unauthenticated attacker via HTTP to perform unauthorized creation, deletion, or modification of data, access data, and cause partial denial of service. CVSS 9.4.
- CVE-2026-73917Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server component) affects versions 4.0.0-4.4.1. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to perform unauthorized creation, deletion, or modification of data and unauthorized access to data. CVSS score 9.1.
- CVE-2026-73916Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server component) affects versions 3.0.0-3.2.17. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to perform unauthorized creation, deletion, or modification of data and unauthorized access to data. CVSS score 9.1.
- CVE-2026-73912Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server component) affects versions 4.0.0-4.4.1. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to take over Helidon. CVSS score 9.8.
- CVE-2026-73905Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server component) versions 4.0.0-4.4.1. Easily exploitable by unauthenticated attacker with network access via HTTP, allowing takeover of Helidon. CVSS 9.8 (high impact on confidentiality, integrity, and availability).
- CVE-2026-73866Critical
Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server component) affects versions 4.0.0-4.4.1. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to perform unauthorized creation, deletion, or modification of data and unauthorized access to data. CVSS score 9.1.
Original NVD description (English source)
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 1.0.0-1.4.19. Difficult to exploit vulnerability allows unauthenticated 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. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS