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CVE-2026-73913: 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

0
Medium
VulnerabilityCVE-2026-73913cvecve-2026-73913
Published: 08/18/2026 (08/18/2026, 21:04:07 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Helidon

Description

CVE-2026-73913 is a vulnerability in Oracle Helidon versions 4.0.0 through 4.4.1 and version 4.5.0. It allows a low privileged attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on some Helidon accessible data. The vulnerability has a CVSS 3.1 base score of 5.4, indicating a medium severity with impacts on confidentiality and integrity but no impact on availability. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides security patches for affected products including Helidon. The vendor strongly recommends applying available patches promptly to mitigate the risk.

CVSS v3.1

Score 5.4medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected software

Oracle Corporation

Helidon

Affected versions
>=4.0.0 <=4.4.1
io.helidon/helidon
pkg:maven/io.helidon/helidon
Affected versions
=4.5.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 10:48:55 UTC

Technical Analysis

This vulnerability affects Oracle Helidon, specifically versions 4.0.0 through 4.4.1 and 4.5.0. It is an easily exploitable flaw that allows an attacker with low privileges and network access via HTTP to compromise the product by gaining unauthorized read and write access to some accessible data. 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 impacts on confidentiality and integrity. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update, which includes patches for Helidon among many other products. Users are advised to apply these patches without delay to prevent exploitation.

Potential Impact

Successful exploitation allows unauthorized reading, updating, inserting, or deleting of some data accessible through Helidon, impacting confidentiality and integrity. There is no impact on availability. The vulnerability requires network access via HTTP and low privileges, making it moderately accessible to attackers. No known exploits in the wild have been reported at this time.

Mitigation Recommendations

Oracle has released security patches for this vulnerability as part of the August 2026 Critical Security Patch Update. Users of affected Helidon versions (4.0.0 through 4.4.1 and 4.5.0) should apply the relevant patches promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to mitigate this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-13T18:41:45.888Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]

Threat ID: 6a84ccebc6e8be0332c396e2

Added to database: 08/18/2026, 21:21:47 UTC

Last enriched: 09/11/2026, 10:48:55 UTC

Last updated: 10/02/2026, 11:12:00 UTC

Views: 64

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