CVE-2026-73932
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk32th percentile - higher than 32% of all known CVEs
Summary
Vulnerability in Oracle Fusion Middleware Helidon product (component: Imperative Web Server) in versions 4.0.0-4.5.2. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to cause a partial denial of service (partial DoS) of Helidon. CVSS 5.3 (Availability impact).
Risk Assessment
The risk involves potential partial disruption of service, which may affect application availability. The attack requires no authentication, increasing the likelihood of exploitation.
Recommendation
It is recommended to update Helidon to a patched version or apply available fixes. Also monitor HTTP traffic and implement DoS protection mechanisms.
Other vulnerabilities in Helidon
See all- CVE-2026-101588Medium
Vulnerability in Helidon (component WebSocket) affecting versions 4.0.0-4.5.5 and 27.0.0. Allows unauthenticated attacker with network access via HTTP to gain unauthorized read access to a subset of Helidon data.
- CVE-2026-101586Medium
Vulnerability in Helidon (component helidon-webclient) affecting versions 4.0.0-4.5.5 and 27.0.0. Allows unauthenticated attacker with network access via HTTP to gain unauthorized read access to a subset of Helidon data.
- CVE-2026-101582Medium
Vulnerability in Helidon (component helidon-integrations-vault) affecting versions 4.0.0-4.5.5. Allows unauthenticated attacker with network access via HTTP to gain unauthorized read access to a subset of Helidon data; attacks may significantly impact additional products (scope change).
- CVE-2026-101580Medium
Vulnerability in Helidon (component helidon-security-providers-jwt) affecting versions 4.0.0-4.5.5 and 27.0.0. Allows unauthenticated attacker with network access via HTTP to gain unauthorized read access to a subset of Helidon data; attacks may significantly impact additional products (scope change).
- CVE-2026-101578Medium
Vulnerability in Helidon (component helidon-security-providers-google-login) affecting versions 4.0.0-4.5.5. Allows unauthenticated attacker with network access via HTTP to gain unauthorized read access to a subset of Helidon data.
- CVE-2026-101577Low
Vulnerability in the Helidon product (component: helidon-cors) affecting versions 4.0.0-4.5.5. A difficult to exploit vulnerability requires human interaction and allows an unauthenticated attacker with network access via HTTP to gain unauthorized update, insert or delete access to some data.
- CVE-2026-101576Low
Vulnerability in the Helidon product (component: LRA) affecting versions 4.0.0-4.5.5. A difficult to exploit vulnerability allows an unauthenticated attacker with network access via HTTP to gain unauthorized read access to a subset of Helidon accessible data.
- CVE-2026-101574Medium
Vulnerability in Oracle Fusion Middleware's Helidon product (component: OIDC) affecting versions 4.0.0-4.5.5 and 27.0.0. A difficult-to-exploit flaw allows an unauthenticated network attacker via HTTP to access critical data and modify some Helidon data, requiring user interaction and potentially impacting additional products.
- CVE-2026-101573Medium
Vulnerability in Oracle Fusion Middleware's Helidon product (component: helidon-security-providers-http-auth) affecting versions 3.0.0-3.2.21, 4.0.0-4.5.5 and 27.0.0. A difficult-to-exploit flaw allows an unauthenticated network attacker via HTTP to gain unauthorized access to critical Helidon data, potentially impacting additional products.
- CVE-2026-101571Medium
Vulnerability in Oracle Fusion Middleware's Helidon product (component: helidon-security-providers-idcs-mapper) affecting versions 3.0.0-3.2.21 and 4.0.0-4.5.5. A difficult-to-exploit flaw allows a low-privileged attacker logged into the infrastructure to gain unauthorized access to critical Helidon data, potentially impacting additional products.
Original NVD description (English source)
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.2. 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).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

