CVE-2026-73912: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in takeover of Helidon. in Oracle Corporation Helidon
CVE-2026-73912 is a critical vulnerability in Oracle Helidon version 4.5.0, specifically in the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to fully compromise the Helidon server, resulting in complete takeover. The vulnerability has a CVSS 3.1 base score of 9.8, indicating high impact on confidentiality, integrity, and availability. Oracle has acknowledged this issue in their August 2026 Critical Security Patch Update advisory, which includes patches for Helidon and other products. Customers are strongly advised to apply the relevant patches promptly to mitigate this risk.
AI Analysis
Technical Summary
This vulnerability affects Oracle Helidon 4.5.0 and permits unauthenticated remote attackers to exploit the Imperative Web Server component via HTTP, leading to full system compromise. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires no privileges or user interaction and can be executed over the network with low complexity. Oracle's August 2026 Critical Security Patch Update addresses this and many other vulnerabilities across multiple products. The advisory emphasizes the importance of applying patches without delay to prevent exploitation.
Potential Impact
Successful exploitation results in complete takeover of the Helidon server, impacting confidentiality, integrity, and availability. This means attackers can gain full control over the affected system, potentially leading to data breaches, service disruption, and unauthorized actions within the environment.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in August 2026 that includes fixes for this vulnerability. Customers should apply the official patches provided by Oracle promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to prevent exploitation. Patch status is confirmed as available via the Oracle advisory linked.
CVE-2026-73912: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in takeover of Helidon. in Oracle Corporation Helidon
Description
CVE-2026-73912 is a critical vulnerability in Oracle Helidon version 4.5.0, specifically in the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to fully compromise the Helidon server, resulting in complete takeover. The vulnerability has a CVSS 3.1 base score of 9.8, indicating high impact on confidentiality, integrity, and availability. Oracle has acknowledged this issue in their August 2026 Critical Security Patch Update advisory, which includes patches for Helidon and other products. Customers are strongly advised to apply the relevant patches promptly to mitigate this risk.
CVSS v3.1
Score 9.8critical
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle Helidon 4.5.0 and permits unauthenticated remote attackers to exploit the Imperative Web Server component via HTTP, leading to full system compromise. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires no privileges or user interaction and can be executed over the network with low complexity. Oracle's August 2026 Critical Security Patch Update addresses this and many other vulnerabilities across multiple products. The advisory emphasizes the importance of applying patches without delay to prevent exploitation.
Potential Impact
Successful exploitation results in complete takeover of the Helidon server, impacting confidentiality, integrity, and availability. This means attackers can gain full control over the affected system, potentially leading to data breaches, service disruption, and unauthorized actions within the environment.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in August 2026 that includes fixes for this vulnerability. Customers should apply the official patches provided by Oracle promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to prevent exploitation. Patch status is confirmed as available via the Oracle advisory linked.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.887Z
- 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: 6a84ccebc6e8be0332c396e0
Added to database: 08/18/2026, 21:21:47 UTC
Last enriched: 08/18/2026, 21:49:39 UTC
Last updated: 08/18/2026, 23:02:57 UTC
Views: 3
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