CVE-2026-73899: 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-2026-73899 is a medium severity vulnerability in Oracle Helidon version 3.2.19. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized read access to some data accessible by Helidon. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a confidentiality impact without affecting integrity or availability. No official patch or remediation level is currently confirmed from the vendor advisory.
AI Analysis
Technical Summary
This vulnerability affects Oracle Helidon 3.2.19, specifically the Imperative Web Server component. An unauthenticated attacker with network access over HTTP can exploit this flaw to read a subset of data accessible by Helidon without authorization. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) indicates network attack vector, low attack complexity, no privileges or user interaction required, and only confidentiality impact. The vendor advisory references a Critical Security Patch Update but does not explicitly confirm a patch for this specific vulnerability. The affected version is exactly 3.2.19.
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 exposure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://www.oracle.com/security-alerts/cspuaug2026.html for current remediation guidance. Oracle strongly recommends applying security patches promptly when available and staying on actively supported versions. Until a patch is confirmed, restrict network access to Helidon services where possible to reduce exposure.
CVE-2026-73899: 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-2026-73899 is a medium severity vulnerability in Oracle Helidon version 3.2.19. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized read access to some data accessible by Helidon. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a confidentiality impact without affecting integrity or availability. No official patch or remediation level is currently confirmed from the vendor advisory.
CVSS v3.1
Score 5.3medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle Helidon 3.2.19, specifically the Imperative Web Server component. An unauthenticated attacker with network access over HTTP can exploit this flaw to read a subset of data accessible by Helidon without authorization. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) indicates network attack vector, low attack complexity, no privileges or user interaction required, and only confidentiality impact. The vendor advisory references a Critical Security Patch Update but does not explicitly confirm a patch for this specific vulnerability. The affected version is exactly 3.2.19.
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 exposure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://www.oracle.com/security-alerts/cspuaug2026.html for current remediation guidance. Oracle strongly recommends applying security patches promptly when available and staying on actively supported versions. Until a patch is confirmed, restrict network access to Helidon services where possible to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.885Z
- 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: 6a84cce7c6e8be0332c39658
Added to database: 08/18/2026, 21:21:43 UTC
Last enriched: 08/18/2026, 21:52:13 UTC
Last updated: 08/18/2026, 21:52:13 UTC
Views: 3
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