CVE-2026-71158: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data. in Oracle Corporation Helidon
CVE-2026-71158 is a high-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 gain unauthorized access to critical or all accessible data within Helidon. The vulnerability affects the Imperative Web Server component and has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring privileges or user interaction.
AI Analysis
Technical Summary
This vulnerability in Oracle Helidon (Imperative Web Server component) affects versions 3.0.0 to 3.2.17 and 3.2.18. It is exploitable remotely over HTTP without authentication, enabling attackers to compromise the system and access sensitive data. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) reflects a network attack vector with low complexity, no privileges or user interaction required, and high confidentiality impact. Oracle has published a Critical Security Patch Update in August 2026 addressing this and other vulnerabilities. The advisory strongly recommends applying patches promptly to mitigate risks.
Potential Impact
Successful exploitation can lead to unauthorized access to critical or all data accessible by Helidon, compromising confidentiality. There is no impact on integrity or availability reported. The vulnerability is remotely exploitable without authentication, increasing the risk of widespread compromise if unpatched.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update covering Helidon versions 3.0.0 to 3.2.19 and later. Users should apply the official patches promptly to remediate this vulnerability. Oracle strongly recommends remaining on actively supported versions and applying security updates without delay. Patch status is confirmed as official-fix available via Oracle's advisory.
CVE-2026-71158: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data. in Oracle Corporation Helidon
Description
CVE-2026-71158 is a high-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 gain unauthorized access to critical or all accessible data within Helidon. The vulnerability affects the Imperative Web Server component and has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring privileges or user interaction.
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 in Oracle Helidon (Imperative Web Server component) affects versions 3.0.0 to 3.2.17 and 3.2.18. It is exploitable remotely over HTTP without authentication, enabling attackers to compromise the system and access sensitive data. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) reflects a network attack vector with low complexity, no privileges or user interaction required, and high confidentiality impact. Oracle has published a Critical Security Patch Update in August 2026 addressing this and other vulnerabilities. The advisory strongly recommends applying patches promptly to mitigate risks.
Potential Impact
Successful exploitation can lead to unauthorized access to critical or all data accessible by Helidon, compromising confidentiality. There is no impact on integrity or availability reported. The vulnerability is remotely exploitable without authentication, increasing the risk of widespread compromise if unpatched.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update covering Helidon versions 3.0.0 to 3.2.19 and later. Users should apply the official patches promptly to remediate this vulnerability. Oracle strongly recommends remaining on actively supported versions and applying security updates without delay. Patch status is confirmed as official-fix available via Oracle's advisory.
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: 6a84ccd9c6e8be0332c391b7
Added to database: 08/18/2026, 21:21:29 UTC
Last enriched: 09/11/2026, 11:32:07 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 27
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