CVE-2026-70908: 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-2026-70908 is a vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18 that 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 an easily exploitable flaw that allows an unauthenticated attacker with network access over HTTP to cause the Helidon server to hang or crash repeatedly, resulting in a complete denial of service. The CVSS 3.1 base score is 7.5, reflecting high severity due to the impact on availability. The affected versions are 3.0.0 through 3.2.17 inclusive, and version 3.2.18. Oracle has published a Critical Security Patch Update advisory referencing this vulnerability, indicating that patches are available for affected versions up to 3.2.19. The vendor strongly recommends applying security patches without delay.
Potential Impact
Successful exploitation results in denial of service by causing the Helidon server to hang or crash repeatedly. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication via HTTP network access.
Mitigation Recommendations
Oracle has released security patches addressing this vulnerability as part of their August 2026 Critical Security Patch Update. Users of affected Helidon versions (3.0.0 through 3.2.17 and 3.2.18) should apply the available patches promptly to remediate the issue. Oracle advises remaining on actively supported versions and applying security patches without delay. No additional mitigation steps are specified beyond patching.
CVE-2026-70908: 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-2026-70908 is a vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18 that 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 an easily exploitable flaw that allows an unauthenticated attacker with network access over HTTP to cause the Helidon server to hang or crash repeatedly, resulting in a complete denial of service. The CVSS 3.1 base score is 7.5, reflecting high severity due to the impact on availability. The affected versions are 3.0.0 through 3.2.17 inclusive, and version 3.2.18. Oracle has published a Critical Security Patch Update advisory referencing this vulnerability, indicating that patches are available for affected versions up to 3.2.19. The vendor strongly recommends applying security patches without delay.
Potential Impact
Successful exploitation results in denial of service by causing the Helidon server to hang or crash repeatedly. There is no impact on confidentiality or integrity. The vulnerability can be exploited remotely without authentication via HTTP network access.
Mitigation Recommendations
Oracle has released security patches addressing this vulnerability as part of their August 2026 Critical Security Patch Update. Users of affected Helidon versions (3.0.0 through 3.2.17 and 3.2.18) should apply the available patches promptly to remediate the issue. Oracle advises remaining on actively supported versions and applying security patches without delay. No additional mitigation steps are specified beyond patching.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-04T22:06:34.605Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84ccadc6e8be0332c376b4
Added to database: 08/18/2026, 21:20:45 UTC
Last enriched: 09/11/2026, 14:05:28 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 27
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