CVE-2026-73900: 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-2026-73900 is a medium severity vulnerability in Oracle Helidon version 4.5.1. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized read access to some data accessible by Helidon. The vulnerability impacts confidentiality but does not affect integrity or availability. No official patch or remediation level is explicitly stated in the vendor advisory, but Oracle strongly recommends applying security patches promptly. The vulnerability has a CVSS 3.1 base score of 5.3.
AI Analysis
Technical Summary
This vulnerability affects Oracle Helidon 4.5.1, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized read access to a subset of accessible data. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, and limited confidentiality impact. The vendor advisory references this vulnerability within a broader Critical Security Patch Update but does not explicitly confirm a patch or remediation level for this specific CVE.
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.
Mitigation Recommendations
Patch status is not yet confirmed — check the Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html for current remediation guidance. Oracle strongly recommends customers remain on actively supported versions and apply security patches without delay. No specific workaround or temporary fix is documented in the advisory.
CVE-2026-73900: 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-2026-73900 is a medium severity vulnerability in Oracle Helidon version 4.5.1. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized read access to some data accessible by Helidon. The vulnerability impacts confidentiality but does not affect integrity or availability. No official patch or remediation level is explicitly stated in the vendor advisory, but Oracle strongly recommends applying security patches promptly. The vulnerability has a CVSS 3.1 base score of 5.3.
CVSS v3.1
Score 5.3medium
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle Helidon 4.5.1, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized read access to a subset of accessible data. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, and limited confidentiality impact. The vendor advisory references this vulnerability within a broader Critical Security Patch Update but does not explicitly confirm a patch or remediation level for this specific CVE.
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.
Mitigation Recommendations
Patch status is not yet confirmed — check the Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html for current remediation guidance. Oracle strongly recommends customers remain on actively supported versions and apply security patches without delay. No specific workaround or temporary fix is documented in the advisory.
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: 6a84cce7c6e8be0332c3965a
Added to database: 08/18/2026, 21:21:43 UTC
Last enriched: 08/18/2026, 21:52:05 UTC
Last updated: 08/18/2026, 22:49:21 UTC
Views: 2
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.