CVE-2026-73895: 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-2026-73895 is a vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18 that 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 Helidon in its August 2026 Critical Security Patch Update, which addresses this and other vulnerabilities.
AI Analysis
Technical Summary
This vulnerability affects the Helidon product of Oracle Fusion Middleware, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise Helidon and obtain 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, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and limited confidentiality impact. The affected versions are 3.0.0 through 3.2.17 inclusive, and version 3.2.18. Oracle has published a Critical Security Patch Update in August 2026 that includes fixes for Helidon among many other products.
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 and requires only network access via HTTP.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in August 2026 that addresses this vulnerability. Users of Helidon versions 3.0.0 through 3.2.17 and 3.2.18 should apply the relevant patches from this update promptly. Oracle strongly recommends staying on actively supported versions and applying security patches without delay to mitigate exploitation risks.
CVE-2026-73895: 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-2026-73895 is a vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18 that 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 Helidon in its August 2026 Critical Security Patch Update, which addresses this and other vulnerabilities.
CVSS v3.1
Score 5.3medium
Affected software
Oracle Corporation
Helidon
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Helidon product of Oracle Fusion Middleware, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise Helidon and obtain 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, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and limited confidentiality impact. The affected versions are 3.0.0 through 3.2.17 inclusive, and version 3.2.18. Oracle has published a Critical Security Patch Update in August 2026 that includes fixes for Helidon among many other products.
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 and requires only network access via HTTP.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in August 2026 that addresses this vulnerability. Users of Helidon versions 3.0.0 through 3.2.17 and 3.2.18 should apply the relevant patches from this update promptly. Oracle strongly recommends staying on actively supported versions and applying security patches without delay to mitigate exploitation risks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.884Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84cce5c6e8be0332c395a1
Added to database: 08/18/2026, 21:21:41 UTC
Last enriched: 09/11/2026, 11:04:03 UTC
Last updated: 10/02/2026, 05:20:53 UTC
Views: 54
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.