CVE-2026-73882: 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 hang or frequently repeatable crash (complete DOS) of Helidon. in Oracle Corporation Helidon
CVE-2026-73882 is a high-severity vulnerability in Oracle Helidon versions 3.0.0 through 3.2.18 and 3.2.19. It allows an unauthenticated attacker with network access via HTTP to cause a denial of service by hanging or crashing the Helidon server. The vulnerability impacts availability but does not affect confidentiality or integrity.
AI Analysis
Technical Summary
This vulnerability affects the Helidon product of Oracle Fusion Middleware, specifically the Imperative Web Server component. It is easily exploitable remotely without authentication via HTTP. Successful exploitation results in the ability to cause a hang or frequent crashes, leading to a complete denial of service condition. The CVSS 3.1 base score is 7.5 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating network attack vector, low complexity, no privileges or user interaction required, and high impact on availability only. The affected versions are 3.0.0 through 3.2.18 inclusive, and 3.2.19. Oracle has published this vulnerability in their August 2026 Critical Security Patch Update advisory. However, no explicit patch or remediation details are provided in the advisory content.
Potential Impact
An unauthenticated attacker with network access can exploit this vulnerability to cause a denial of service by hanging or crashing the Helidon server. This results in unavailability of the affected service. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Oracle has included this vulnerability in their August 2026 Critical Security Patch Update advisory. Customers are strongly recommended to apply the relevant security patches from this update promptly. Since the advisory does not specify a separate patch for this vulnerability, applying the August 2026 CSPU is the advised remediation. No alternative mitigations or workarounds are provided.
CVE-2026-73882: 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 hang or frequently repeatable crash (complete DOS) of Helidon. in Oracle Corporation Helidon
Description
CVE-2026-73882 is a high-severity vulnerability in Oracle Helidon versions 3.0.0 through 3.2.18 and 3.2.19. It allows an unauthenticated attacker with network access via HTTP to cause a denial of service by hanging or crashing the Helidon server. The vulnerability impacts availability but does not affect confidentiality or integrity.
CVSS v3.1
Score 7.5high
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 easily exploitable remotely without authentication via HTTP. Successful exploitation results in the ability to cause a hang or frequent crashes, leading to a complete denial of service condition. The CVSS 3.1 base score is 7.5 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating network attack vector, low complexity, no privileges or user interaction required, and high impact on availability only. The affected versions are 3.0.0 through 3.2.18 inclusive, and 3.2.19. Oracle has published this vulnerability in their August 2026 Critical Security Patch Update advisory. However, no explicit patch or remediation details are provided in the advisory content.
Potential Impact
An unauthenticated attacker with network access can exploit this vulnerability to cause a denial of service by hanging or crashing the Helidon server. This results in unavailability of the affected service. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Oracle has included this vulnerability in their August 2026 Critical Security Patch Update advisory. Customers are strongly recommended to apply the relevant security patches from this update promptly. Since the advisory does not specify a separate patch for this vulnerability, applying the August 2026 CSPU is the advised remediation. No alternative mitigations or workarounds are provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.883Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84cce2c6e8be0332c394f5
Added to database: 08/18/2026, 21:21:38 UTC
Last enriched: 09/11/2026, 11:04:55 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 24
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