CVE-2026-73901: 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 as well as unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
CVE-2026-73901 is a vulnerability in Oracle Helidon version 4.5.1 that allows an unauthenticated attacker with network access via HTTP to perform unauthorized read and write operations on some accessible data. The vulnerability is rated medium severity with a CVSS 3.1 base score of 4.8, reflecting limited confidentiality and integrity impacts. The vulnerability is difficult to exploit and does not allow availability impact. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides patches for affected products including Helidon 4.5.1.
AI Analysis
Technical Summary
This vulnerability affects Oracle Helidon version 4.5.1, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized update, insert, delete, and read access to some Helidon accessible data. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, and low confidentiality and integrity impacts without availability impact. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update, which includes patches for Helidon 4.5.1 among other products.
Potential Impact
Successful exploitation can lead to unauthorized modification (update, insert, delete) and unauthorized reading of some data accessible through Helidon 4.5.1. The impact on confidentiality and integrity is low, and there is no impact on availability. The vulnerability requires network access via HTTP and is difficult to exploit. No known exploits in the wild have been reported.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users of Helidon 4.5.1 should apply the security patches provided by Oracle without delay. Oracle strongly recommends remaining on actively supported versions and promptly applying security updates to mitigate this vulnerability.
CVE-2026-73901: 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 as well as unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
Description
CVE-2026-73901 is a vulnerability in Oracle Helidon version 4.5.1 that allows an unauthenticated attacker with network access via HTTP to perform unauthorized read and write operations on some accessible data. The vulnerability is rated medium severity with a CVSS 3.1 base score of 4.8, reflecting limited confidentiality and integrity impacts. The vulnerability is difficult to exploit and does not allow availability impact. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides patches for affected products including Helidon 4.5.1.
CVSS v3.1
Score 4.8medium
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle Helidon version 4.5.1, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized update, insert, delete, and read access to some Helidon accessible data. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, and low confidentiality and integrity impacts without availability impact. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update, which includes patches for Helidon 4.5.1 among other products.
Potential Impact
Successful exploitation can lead to unauthorized modification (update, insert, delete) and unauthorized reading of some data accessible through Helidon 4.5.1. The impact on confidentiality and integrity is low, and there is no impact on availability. The vulnerability requires network access via HTTP and is difficult to exploit. No known exploits in the wild have been reported.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users of Helidon 4.5.1 should apply the security patches provided by Oracle without delay. Oracle strongly recommends remaining on actively supported versions and promptly applying security updates to mitigate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.885Z
- 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: 6a84cce7c6e8be0332c3965c
Added to database: 08/18/2026, 21:21:43 UTC
Last enriched: 08/18/2026, 21:51:59 UTC
Last updated: 08/18/2026, 23:35:20 UTC
Views: 4
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