CVE-2026-73906: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
CVE-2026-73906 is a 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 gain unauthorized read access to some Helidon accessible data. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity with confidentiality impact only. Oracle has included this fix in its August 2026 Critical Security Patch Update.
AI Analysis
Technical Summary
This vulnerability affects the Imperative Web Server component of Oracle Helidon. An unauthenticated attacker can exploit this flaw remotely over HTTP to access a subset of data without authorization. The CVSS vector indicates the attack requires no privileges or user interaction and impacts confidentiality but not integrity or availability. The affected versions are 4.0.0 through 4.4.1 and 4.5.0. Oracle has addressed this issue in its August 2026 Critical Security Patch Update, which includes security patches for Helidon and other products.
Potential Impact
Successful exploitation results in unauthorized read access to some Helidon accessible data, compromising confidentiality. There is no impact on integrity or availability. The vulnerability is remotely exploitable without authentication, increasing risk if the affected versions are exposed to untrusted networks.
Mitigation Recommendations
Oracle has released a security patch for this vulnerability as part of the August 2026 Critical Security Patch Update. Users should apply the official patch promptly to remediate the issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. No additional mitigations are specified by the vendor advisory.
CVE-2026-73906: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
Description
CVE-2026-73906 is a 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 gain unauthorized read access to some Helidon accessible data. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity with confidentiality impact only. Oracle has included this fix in its August 2026 Critical Security Patch Update.
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 Imperative Web Server component of Oracle Helidon. An unauthenticated attacker can exploit this flaw remotely over HTTP to access a subset of data without authorization. The CVSS vector indicates the attack requires no privileges or user interaction and impacts confidentiality but not integrity or availability. The affected versions are 4.0.0 through 4.4.1 and 4.5.0. Oracle has addressed this issue in its August 2026 Critical Security Patch Update, which includes security patches for Helidon and other products.
Potential Impact
Successful exploitation results in unauthorized read access to some Helidon accessible data, compromising confidentiality. There is no impact on integrity or availability. The vulnerability is remotely exploitable without authentication, increasing risk if the affected versions are exposed to untrusted networks.
Mitigation Recommendations
Oracle has released a security patch for this vulnerability as part of the August 2026 Critical Security Patch Update. Users should apply the official patch promptly to remediate the issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. No additional mitigations are specified by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.886Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84cce7c6e8be0332c39666
Added to database: 08/18/2026, 21:21:43 UTC
Last enriched: 09/11/2026, 10:49:58 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 53
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