CVE-2026-83458: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. in Oracle Corporation Helidon
CVE-2026-83458 is a vulnerability in Oracle Helidon versions 4.0.0 through 4.5.4 affecting the JSON component. It allows an unauthenticated attacker with network access via HTTP to cause a partial denial of service (DoS) condition. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity impact focused on availability. Oracle has released a Critical Security Patch Update addressing this and other vulnerabilities, with patches available for affected Helidon versions.
AI Analysis
Technical Summary
This vulnerability in Oracle Helidon (versions 4.0.0 to 4.5.4) involves the JSON component and permits an unauthenticated attacker with network access via HTTP to cause a partial denial of service. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) confirms that the attack requires no privileges or user interaction and impacts availability only. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 patches across multiple products, including Helidon versions 3.0.0-3.2.20 and 4.0.0-4.5.4.
Potential Impact
Successful exploitation results in unauthorized partial denial of service of the Helidon service, impacting availability but not confidentiality or integrity. The vulnerability is exploitable remotely without authentication, increasing risk of disruption to affected systems running vulnerable Helidon versions.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Users should apply the available security patches promptly to mitigate the risk. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch availability and installation instructions are provided in the Oracle advisory at https://www.oracle.com/security-alerts/cspusep2026.html.
CVE-2026-83458: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. in Oracle Corporation Helidon
Description
CVE-2026-83458 is a vulnerability in Oracle Helidon versions 4.0.0 through 4.5.4 affecting the JSON component. It allows an unauthenticated attacker with network access via HTTP to cause a partial denial of service (DoS) condition. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity impact focused on availability. Oracle has released a Critical Security Patch Update addressing this and other vulnerabilities, with patches available for affected Helidon versions.
CVSS v3.1
Score 5.3medium
Affected software
Oracle Corporation
Helidon
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle Helidon (versions 4.0.0 to 4.5.4) involves the JSON component and permits an unauthenticated attacker with network access via HTTP to cause a partial denial of service. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) confirms that the attack requires no privileges or user interaction and impacts availability only. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 patches across multiple products, including Helidon versions 3.0.0-3.2.20 and 4.0.0-4.5.4.
Potential Impact
Successful exploitation results in unauthorized partial denial of service of the Helidon service, impacting availability but not confidentiality or integrity. The vulnerability is exploitable remotely without authentication, increasing risk of disruption to affected systems running vulnerable Helidon versions.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Users should apply the available security patches promptly to mitigate the risk. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch availability and installation instructions are provided in the Oracle advisory at https://www.oracle.com/security-alerts/cspusep2026.html.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.360Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a84d55bf5e2cf55381d6
Added to database: 09/15/2026, 20:19:25 UTC
Last enriched: 09/15/2026, 23:10:10 UTC
Last updated: 09/16/2026, 01:45:29 UTC
Views: 4
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