CVE-2026-73902: 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-2026-73902 is a high-severity vulnerability affecting Oracle Helidon version 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. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which addresses multiple products including Helidon. Users are strongly advised to apply the relevant patches as soon as possible to mitigate the risk.
AI Analysis
Technical Summary
This vulnerability in Oracle Helidon 3.2.19 allows an unauthenticated remote attacker to cause a hang or repeated crash of the Helidon server via HTTP, resulting in a complete denial of service. The CVSS 3.1 base score is 7.5, reflecting high impact on availability with no impact on confidentiality or integrity. The vulnerability is publicly disclosed and included in Oracle's August 2026 Critical Security Patch Update advisory. No specific exploit code or active exploitation in the wild has been reported. Oracle strongly recommends applying the security patches provided in the update to remediate this issue.
Potential Impact
Successful exploitation results in a denial of service condition by causing the Helidon server to hang or crash repeatedly, impacting availability. There is no impact on confidentiality or integrity according to the CVSS vector. 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 of Helidon version 3.2.19 should apply the relevant patch promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch status is confirmed by the vendor advisory. No alternative mitigations or workarounds are specified.
CVE-2026-73902: 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-2026-73902 is a high-severity vulnerability affecting Oracle Helidon version 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. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which addresses multiple products including Helidon. Users are strongly advised to apply the relevant patches as soon as possible to mitigate the risk.
CVSS v3.1
Score 7.5high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle Helidon 3.2.19 allows an unauthenticated remote attacker to cause a hang or repeated crash of the Helidon server via HTTP, resulting in a complete denial of service. The CVSS 3.1 base score is 7.5, reflecting high impact on availability with no impact on confidentiality or integrity. The vulnerability is publicly disclosed and included in Oracle's August 2026 Critical Security Patch Update advisory. No specific exploit code or active exploitation in the wild has been reported. Oracle strongly recommends applying the security patches provided in the update to remediate this issue.
Potential Impact
Successful exploitation results in a denial of service condition by causing the Helidon server to hang or crash repeatedly, impacting availability. There is no impact on confidentiality or integrity according to the CVSS vector. 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 of Helidon version 3.2.19 should apply the relevant patch promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch status is confirmed by the vendor advisory. No alternative mitigations or workarounds are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.886Z
- 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: 6a84cce7c6e8be0332c3965e
Added to database: 08/18/2026, 21:21:43 UTC
Last enriched: 08/18/2026, 21:50:29 UTC
Last updated: 08/18/2026, 22:49:19 UTC
Views: 3
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