CVE-2026-73893: Easily exploitable 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 as well as unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
CVE-2026-73893 is a vulnerability in Oracle Helidon versions 4.0.0 through 4.4.1 and version 4.5.0. It allows an unauthenticated attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on some Helidon accessible data. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity level. The vulnerability affects the Imperative Web Server component of Oracle Fusion Middleware Helidon.
AI Analysis
Technical Summary
This vulnerability in Oracle Helidon (component: Imperative Web Server) affects supported versions 4.0.0 through 4.4.1 and 4.5.0. It allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized update, insert, or delete access to some accessible data, as well as unauthorized read access to a subset of that data. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality and integrity but not availability.
Potential Impact
Successful exploitation can lead to unauthorized modification (update, insert, delete) and unauthorized reading of some data accessible through Helidon. This compromises data confidentiality and integrity but does not affect availability. The vulnerability is exploitable remotely without authentication, increasing risk.
Mitigation Recommendations
Oracle has released security patches addressing this vulnerability as part of their August 2026 Critical Security Patch Update. Customers are strongly advised to apply the available patches without delay and remain on actively supported versions. No indication was given that the vulnerability is already mitigated or requires no action. Patch availability details are provided in the Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html.
CVE-2026-73893: Easily exploitable 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 as well as unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
Description
CVE-2026-73893 is a vulnerability in Oracle Helidon versions 4.0.0 through 4.4.1 and version 4.5.0. It allows an unauthenticated attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on some Helidon accessible data. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity level. The vulnerability affects the Imperative Web Server component of Oracle Fusion Middleware Helidon.
CVSS v3.1
Score 6.5medium
Affected software
Oracle Corporation
Helidon
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle Helidon (component: Imperative Web Server) affects supported versions 4.0.0 through 4.4.1 and 4.5.0. It allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized update, insert, or delete access to some accessible data, as well as unauthorized read access to a subset of that data. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality and integrity but not availability.
Potential Impact
Successful exploitation can lead to unauthorized modification (update, insert, delete) and unauthorized reading of some data accessible through Helidon. This compromises data confidentiality and integrity but does not affect availability. The vulnerability is exploitable remotely without authentication, increasing risk.
Mitigation Recommendations
Oracle has released security patches addressing this vulnerability as part of their August 2026 Critical Security Patch Update. Customers are strongly advised to apply the available patches without delay and remain on actively supported versions. No indication was given that the vulnerability is already mitigated or requires no action. Patch availability details are provided in the Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.884Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84cce5c6e8be0332c3959d
Added to database: 08/18/2026, 21:21:41 UTC
Last enriched: 09/11/2026, 11:04:11 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 53
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