Oracle Helidon 3.2.18 Imperative Web Server privileges management

Summaryinfo

A vulnerability identified as critical has been detected in Oracle Helidon 3.2.18. The affected element is an unknown function of the component Imperative Web Server. The manipulation leads to privileges management. This vulnerability is uniquely identified as CVE-2026-73869. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Oracle Helidon 3.2.18 and classified as critical. This issue affects some unknown functionality of the component Imperative Web Server. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). 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 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2026-73869 since 08/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/19/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Oracle

Name

• Helidon

Version

• 3.2.18

License

• commercial

Website

• Vendor: https://www.oracle.com

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