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 version 3.2.18, specifically in the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical or all accessible data within Helidon. The vulnerability has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring privileges or user interaction. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides patches for affected versions including 3.2.18.
AI Analysis
Technical Summary
This vulnerability affects Oracle Helidon 3.2.18 and allows an unauthenticated attacker to compromise the product via HTTP network access. The flaw impacts confidentiality, potentially exposing critical or all accessible data. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) indicates network attack vector, low attack complexity, no privileges or user interaction required, and high confidentiality impact with no integrity or availability impact. Oracle's August 2026 Critical Security Patch Update advisory lists Helidon 3.2.18 among affected versions and provides patches to remediate this issue.
Potential Impact
Successful exploitation can lead to unauthorized access to critical or all data accessible through Helidon 3.2.18. This compromises confidentiality but does not affect integrity or availability. The vulnerability is exploitable remotely without authentication, increasing risk exposure.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users of Helidon 3.2.18 should apply the official patches promptly to remediate the vulnerability. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch status is confirmed by the vendor 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 version 3.2.18, specifically in the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical or all accessible data within Helidon. The vulnerability has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring privileges or user interaction. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides patches for affected versions including 3.2.18.
CVSS v3.1
Score 7.5high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle Helidon 3.2.18 and allows an unauthenticated attacker to compromise the product via HTTP network access. The flaw impacts confidentiality, potentially exposing critical or all accessible data. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) indicates network attack vector, low attack complexity, no privileges or user interaction required, and high confidentiality impact with no integrity or availability impact. Oracle's August 2026 Critical Security Patch Update advisory lists Helidon 3.2.18 among affected versions and provides patches to remediate this issue.
Potential Impact
Successful exploitation can lead to unauthorized access to critical or all data accessible through Helidon 3.2.18. This compromises confidentiality but does not affect integrity or availability. The vulnerability is exploitable remotely without authentication, increasing risk exposure.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users of Helidon 3.2.18 should apply the official patches promptly to remediate the vulnerability. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay. Patch status is confirmed by the vendor 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
- Remediation Level
- null
- 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: 08/18/2026, 22:34:50 UTC
Last updated: 08/18/2026, 22:34:50 UTC
Views: 2
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