CVE-2026-73923: 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. in Oracle Corporation Helidon
CVE-2026-73923 is a vulnerability in Oracle Helidon versions 1.0.0 through 1.4.19 and 1.4.20 that allows an unauthenticated attacker with network access via HTTP to perform unauthorized update, insert, or delete operations on some accessible data. The vulnerability is difficult to exploit and impacts data integrity without affecting confidentiality or availability. The CVSS 3.1 base score is 3.7, indicating a low severity level. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which contains numerous security fixes across multiple products.
AI Analysis
Technical Summary
This vulnerability affects the Helidon product of Oracle Fusion Middleware, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise Helidon by performing unauthorized update, insert, or delete actions on accessible data. The vulnerability is rated with a CVSS 3.1 base score of 3.7, reflecting a low severity primarily due to integrity impact and high attack complexity. Affected versions include 1.0.0 through 1.4.19 and 1.4.20. Oracle's August 2026 Critical Security Patch Update addresses this and many other vulnerabilities, and customers are strongly advised to apply patches promptly.
Potential Impact
Successful exploitation can lead to unauthorized modification of some Helidon accessible data, specifically allowing update, insert, or delete operations. There is no impact on confidentiality or availability. The vulnerability requires network access via HTTP and is difficult to exploit, limiting the risk. No known exploits are reported in the wild.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update that address this vulnerability. Customers should apply the relevant patches for Helidon versions 1.0.0 through 1.4.19 and 1.4.20 without delay. Oracle strongly recommends staying on actively supported versions and applying security patches promptly to mitigate this and other vulnerabilities.
CVE-2026-73923: 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. in Oracle Corporation Helidon
Description
CVE-2026-73923 is a vulnerability in Oracle Helidon versions 1.0.0 through 1.4.19 and 1.4.20 that allows an unauthenticated attacker with network access via HTTP to perform unauthorized update, insert, or delete operations on some accessible data. The vulnerability is difficult to exploit and impacts data integrity without affecting confidentiality or availability. The CVSS 3.1 base score is 3.7, indicating a low severity level. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which contains numerous security fixes across multiple products.
CVSS v3.1
Score 3.7low
Affected software
Oracle Corporation
Helidon
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Helidon product of Oracle Fusion Middleware, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise Helidon by performing unauthorized update, insert, or delete actions on accessible data. The vulnerability is rated with a CVSS 3.1 base score of 3.7, reflecting a low severity primarily due to integrity impact and high attack complexity. Affected versions include 1.0.0 through 1.4.19 and 1.4.20. Oracle's August 2026 Critical Security Patch Update addresses this and many other vulnerabilities, and customers are strongly advised to apply patches promptly.
Potential Impact
Successful exploitation can lead to unauthorized modification of some Helidon accessible data, specifically allowing update, insert, or delete operations. There is no impact on confidentiality or availability. The vulnerability requires network access via HTTP and is difficult to exploit, limiting the risk. No known exploits are reported in the wild.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update that address this vulnerability. Customers should apply the relevant patches for Helidon versions 1.0.0 through 1.4.19 and 1.4.20 without delay. Oracle strongly recommends staying on actively supported versions and applying security patches promptly to mitigate this and other vulnerabilities.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.890Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84cceec6e8be0332c397f2
Added to database: 08/18/2026, 21:21:50 UTC
Last enriched: 09/11/2026, 10:48:01 UTC
Last updated: 10/03/2026, 02:46:06 UTC
Views: 83
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.