CVE-2026-73894: 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. in Oracle Corporation Helidon
CVE-2026-73894 is a high-severity vulnerability in Oracle Helidon version 4.5.0 that allows an unauthenticated attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on accessible data. It also enables the attacker to cause a partial denial of service. The vulnerability has a CVSS 3.1 base score of 7.3, reflecting impacts on confidentiality, integrity, and availability. Oracle has published a Critical Security Patch Update advisory referencing this vulnerability and strongly recommends applying security patches promptly.
AI Analysis
Technical Summary
This vulnerability affects Oracle Helidon 4.5.0, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise the system, resulting in unauthorized ability to read, update, insert, or delete some accessible data and cause a partial denial of service. The CVSS 3.1 vector indicates the attack requires no privileges or user interaction and has low complexity. Oracle's advisory includes this vulnerability in their August 2026 Critical Security Patch Update, which contains numerous security fixes across Oracle products.
Potential Impact
Successful exploitation can lead to unauthorized read access to some Helidon data, unauthorized modification (update, insert, delete) of some data, and partial denial of service affecting availability. This compromises confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update that address this vulnerability. Customers are strongly advised to apply these patches without delay to mitigate the risk. No alternative mitigations or temporary fixes are indicated in the advisory. Patch status is confirmed by the vendor advisory.
CVE-2026-73894: 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. in Oracle Corporation Helidon
Description
CVE-2026-73894 is a high-severity vulnerability in Oracle Helidon version 4.5.0 that allows an unauthenticated attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on accessible data. It also enables the attacker to cause a partial denial of service. The vulnerability has a CVSS 3.1 base score of 7.3, reflecting impacts on confidentiality, integrity, and availability. Oracle has published a Critical Security Patch Update advisory referencing this vulnerability and strongly recommends applying security patches promptly.
CVSS v3.1
Score 7.3high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle Helidon 4.5.0, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise the system, resulting in unauthorized ability to read, update, insert, or delete some accessible data and cause a partial denial of service. The CVSS 3.1 vector indicates the attack requires no privileges or user interaction and has low complexity. Oracle's advisory includes this vulnerability in their August 2026 Critical Security Patch Update, which contains numerous security fixes across Oracle products.
Potential Impact
Successful exploitation can lead to unauthorized read access to some Helidon data, unauthorized modification (update, insert, delete) of some data, and partial denial of service affecting availability. This compromises confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update that address this vulnerability. Customers are strongly advised to apply these patches without delay to mitigate the risk. No alternative mitigations or temporary fixes are indicated in the advisory. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.884Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84cce5c6e8be0332c3959f
Added to database: 08/18/2026, 21:21:41 UTC
Last enriched: 08/18/2026, 22:05:55 UTC
Last updated: 08/18/2026, 22:49:30 UTC
Views: 2
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