CVE-2026-73910: 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-2026-73910 is a medium severity vulnerability in Oracle Helidon versions 4.0.0 through 4.5.1. It allows an unauthenticated attacker with network access via HTTP 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, indicating a confidentiality impact without integrity or availability impact. Oracle has published a Critical Security Patch Update advisory that includes fixes for this and other vulnerabilities, recommending customers apply patches promptly.
AI Analysis
Technical Summary
This vulnerability in Oracle Helidon (Imperative Web Server component) affects versions 4.0.0 through 4.5.1. It allows an unauthenticated attacker with network access via HTTP to compromise the product and gain unauthorized read access to a subset of accessible data. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, reflecting a network attack vector with low complexity, no privileges or user interaction required, and limited confidentiality impact. Oracle's August 2026 Critical Security Patch Update advisory includes this vulnerability among 943 fixes and strongly recommends applying patches without delay.
Potential Impact
Successful exploitation results in unauthorized read access to some Helidon accessible data, impacting confidentiality. There is no impact on integrity or availability. The vulnerability is exploitable remotely without authentication, increasing risk if unpatched.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update that address this vulnerability. Customers are strongly advised to remain on actively supported versions and apply the available patches promptly to mitigate the risk. No alternative mitigations or workarounds are specified in the advisory.
CVE-2026-73910: 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-2026-73910 is a medium severity vulnerability in Oracle Helidon versions 4.0.0 through 4.5.1. It allows an unauthenticated attacker with network access via HTTP 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, indicating a confidentiality impact without integrity or availability impact. Oracle has published a Critical Security Patch Update advisory that includes fixes for this and other vulnerabilities, recommending customers apply patches promptly.
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) affects versions 4.0.0 through 4.5.1. It allows an unauthenticated attacker with network access via HTTP to compromise the product and gain unauthorized read access to a subset of accessible data. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, reflecting a network attack vector with low complexity, no privileges or user interaction required, and limited confidentiality impact. Oracle's August 2026 Critical Security Patch Update advisory includes this vulnerability among 943 fixes and strongly recommends applying patches without delay.
Potential Impact
Successful exploitation results in unauthorized read access to some Helidon accessible data, impacting confidentiality. There is no impact on integrity or availability. The vulnerability is exploitable remotely without authentication, increasing risk if unpatched.
Mitigation Recommendations
Oracle has released security patches as part of the August 2026 Critical Security Patch Update that address this vulnerability. Customers are strongly advised to remain on actively supported versions and apply the available patches promptly to mitigate the risk. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.887Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84ccebc6e8be0332c396dc
Added to database: 08/18/2026, 21:21:47 UTC
Last enriched: 09/11/2026, 10:49:23 UTC
Last updated: 10/02/2026, 02:46:06 UTC
Views: 55
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