CVE-2026-70727: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS 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-2026-70727 is a medium 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 HTTPS to gain unauthorized read access to some Helidon accessible data. The vulnerability affects the Imperative Web Server component of Helidon. The CVSS 3.1 base score is 5.3, reflecting a confidentiality impact without integrity or availability impact. Oracle has published a Critical Security Patch Update advisory that includes patches for this and other vulnerabilities.
AI Analysis
Technical Summary
This vulnerability in Oracle Helidon (Imperative Web Server component) permits an unauthenticated remote attacker to access a subset of data without authorization over HTTPS. The affected versions are 3.0.0 through 3.2.17 and 3.2.18. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and limited confidentiality impact. Oracle's August 2026 Critical Security Patch Update advisory includes patches addressing this vulnerability among 943 fixes across multiple products.
Potential Impact
Successful exploitation results in unauthorized read access to some data accessible via Helidon, potentially exposing sensitive information. There is no impact on data integrity or availability. The vulnerability can be exploited remotely without authentication, increasing risk if unpatched.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users should apply the relevant patches promptly to remediate the issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. No alternative mitigations or workarounds are specified in the advisory.
CVE-2026-70727: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS 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-2026-70727 is a medium 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 HTTPS to gain unauthorized read access to some Helidon accessible data. The vulnerability affects the Imperative Web Server component of Helidon. The CVSS 3.1 base score is 5.3, reflecting a confidentiality impact without integrity or availability impact. Oracle has published a Critical Security Patch Update advisory that includes patches for this and other vulnerabilities.
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 in Oracle Helidon (Imperative Web Server component) permits an unauthenticated remote attacker to access a subset of data without authorization over HTTPS. The affected versions are 3.0.0 through 3.2.17 and 3.2.18. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and limited confidentiality impact. Oracle's August 2026 Critical Security Patch Update advisory includes patches addressing this vulnerability among 943 fixes across multiple products.
Potential Impact
Successful exploitation results in unauthorized read access to some data accessible via Helidon, potentially exposing sensitive information. There is no impact on data integrity or availability. The vulnerability can be exploited remotely without authentication, increasing risk if unpatched.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users should apply the relevant patches promptly to remediate the issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-04T22:06:34.592Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84c9f6c6e8be0332bf18f7
Added to database: 08/18/2026, 21:09:10 UTC
Last enriched: 09/11/2026, 16:19:11 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 30
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