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 versions 4.0.0 through 4.4.1 and version 4.5.0. It allows an unauthenticated attacker with network access via HTTP to fully compromise the Helidon server, potentially leading to complete takeover. The vulnerability impacts confidentiality, integrity, and availability with a CVSS 3.1 base score of 9.8. Oracle has acknowledged this vulnerability in their August 2026 Critical Security Patch Update advisory and strongly recommends applying patches promptly. The advisory lists affected versions and patch availability but does not provide direct patch links for Helidon in the input data.
AI Analysis
Technical Summary
This vulnerability affects the Helidon product of Oracle Fusion Middleware, specifically the Imperative Web Server component. It is exploitable remotely without authentication over HTTP, allowing attackers to compromise the system fully. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. The Oracle advisory confirms the vulnerability and includes it in the August 2026 Critical Security Patch Update, which contains numerous patches across Oracle products including Helidon versions 4.0.0 to 4.5.2. Customers are urged to apply patches without delay to mitigate risk.
Potential Impact
Successful exploitation results in complete compromise of the Helidon server, affecting confidentiality, integrity, and availability. This can lead to full system takeover by an unauthenticated remote attacker. The CVSS score of 9.8 reflects the critical severity and the broad impact on system security.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Customers should apply the relevant patches for Helidon versions 4.0.0 through 4.5.2 promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
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 versions 4.0.0 through 4.4.1 and version 4.5.0. It allows an unauthenticated attacker with network access via HTTP to fully compromise the Helidon server, potentially leading to complete takeover. The vulnerability impacts confidentiality, integrity, and availability with a CVSS 3.1 base score of 9.8. Oracle has acknowledged this vulnerability in their August 2026 Critical Security Patch Update advisory and strongly recommends applying patches promptly. The advisory lists affected versions and patch availability but does not provide direct patch links for Helidon in the input data.
CVSS v3.1
Score 9.8critical
Affected software
Oracle Corporation
Helidon
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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 is exploitable remotely without authentication over HTTP, allowing attackers to compromise the system fully. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. The Oracle advisory confirms the vulnerability and includes it in the August 2026 Critical Security Patch Update, which contains numerous patches across Oracle products including Helidon versions 4.0.0 to 4.5.2. Customers are urged to apply patches without delay to mitigate risk.
Potential Impact
Successful exploitation results in complete compromise of the Helidon server, affecting confidentiality, integrity, and availability. This can lead to full system takeover by an unauthenticated remote attacker. The CVSS score of 9.8 reflects the critical severity and the broad impact on system security.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Customers should apply the relevant patches for Helidon versions 4.0.0 through 4.5.2 promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.887Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- 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: 09/11/2026, 10:49:05 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 38
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