CVE-2026-73919: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
CVE-2026-73919 is a vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18 that allows a low privileged attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on some accessible data. The vulnerability affects the Imperative Web Server component of Helidon and has a CVSS 3.1 base score of 5.4, indicating medium severity. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update and recommends applying patches promptly.
AI Analysis
Technical Summary
This vulnerability in Oracle Helidon (Imperative Web Server component) allows an attacker with low privileges and network access over HTTP to compromise the system by gaining unauthorized read and write access to certain data. 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:L/UI:N/S:U/C:L/I:L/A:N, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and limited confidentiality and integrity impacts. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update.
Potential Impact
Successful exploitation allows unauthorized reading and modification (update, insert, delete) of some Helidon accessible data, potentially compromising data confidentiality and integrity. There is no impact on availability. The vulnerability requires network access via HTTP and low privileges, making it relatively easy to exploit.
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 without delay to remediate the issue. Oracle strongly recommends staying on actively supported versions and promptly applying security updates. No alternative mitigations or workarounds are specified in the advisory.
CVE-2026-73919: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. in Oracle Corporation Helidon
Description
CVE-2026-73919 is a vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18 that allows a low privileged attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on some accessible data. The vulnerability affects the Imperative Web Server component of Helidon and has a CVSS 3.1 base score of 5.4, indicating medium severity. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update and recommends applying patches promptly.
CVSS v3.1
Score 5.4medium
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 in Oracle Helidon (Imperative Web Server component) allows an attacker with low privileges and network access over HTTP to compromise the system by gaining unauthorized read and write access to certain data. 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:L/UI:N/S:U/C:L/I:L/A:N, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and limited confidentiality and integrity impacts. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update.
Potential Impact
Successful exploitation allows unauthorized reading and modification (update, insert, delete) of some Helidon accessible data, potentially compromising data confidentiality and integrity. There is no impact on availability. The vulnerability requires network access via HTTP and low privileges, making it relatively easy to exploit.
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 without delay to remediate the issue. Oracle strongly recommends staying on actively supported versions and promptly applying security updates. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.889Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]
Threat ID: 6a84cceec6e8be0332c397e8
Added to database: 08/18/2026, 21:21:50 UTC
Last enriched: 09/11/2026, 10:48:10 UTC
Last updated: 10/03/2026, 22:08:13 UTC
Views: 68
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.