CVE-2026-71161: 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-2026-71161 is a medium severity vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18. It allows an unauthenticated attacker with network access via HTTP to cause a partial denial of service (partial DOS) condition. The vulnerability impacts availability but does not affect confidentiality or integrity. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides security patches for affected versions.
AI Analysis
Technical Summary
This vulnerability affects the Helidon product of Oracle Fusion Middleware, specifically the Imperative Web Server component. An unauthenticated attacker with network access via HTTP can exploit this flaw to cause a partial denial of service, impacting the availability of Helidon. The CVSS 3.1 base score is 5.3, reflecting a medium severity with no impact on confidentiality or integrity. The affected versions are 3.0.0 through 3.2.17 and 3.2.18. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update, which includes patches for Helidon versions up to 3.2.19 and beyond.
Potential Impact
Successful exploitation results in partial denial of service of the Helidon service, impacting availability. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication over HTTP.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users should apply the relevant patches promptly to affected Helidon versions. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to mitigate this vulnerability.
CVE-2026-71161: 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-2026-71161 is a medium severity vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18. It allows an unauthenticated attacker with network access via HTTP to cause a partial denial of service (partial DOS) condition. The vulnerability impacts availability but does not affect confidentiality or integrity. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides security patches for affected versions.
CVSS v3.1
Score 5.3medium
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. An unauthenticated attacker with network access via HTTP can exploit this flaw to cause a partial denial of service, impacting the availability of Helidon. The CVSS 3.1 base score is 5.3, reflecting a medium severity with no impact on confidentiality or integrity. The affected versions are 3.0.0 through 3.2.17 and 3.2.18. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update, which includes patches for Helidon versions up to 3.2.19 and beyond.
Potential Impact
Successful exploitation results in partial denial of service of the Helidon service, impacting availability. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication over HTTP.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users should apply the relevant patches promptly to affected Helidon versions. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to mitigate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-04T22:06:34.621Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84ccdcc6e8be0332c39392
Added to database: 08/18/2026, 21:21:32 UTC
Last enriched: 09/11/2026, 11:33:00 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 25
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