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CVE-2026-73875: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). 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
High
VulnerabilityCVE-2026-73875cvecve-2026-73875
Published: 08/18/2026 (08/18/2026, 21:03:55 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Helidon

Description

CVE-2026-73875 is a high-severity vulnerability in Oracle Helidon versions 3.0.0 through 3.2.19. It allows an unauthenticated attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on some Helidon accessible data. The vulnerability affects confidentiality and integrity but not availability. Oracle has published a Critical Security Patch Update advisory that includes fixes for this and many other vulnerabilities across multiple products.

CVSS v3.1

Score 7.2high

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

Affected software

Oracle Corporation

Helidon

Affected versions
>=3.0.0 <=3.2.18
io.helidon/helidon
pkg:maven/io.helidon/helidon
Affected versions
=3.2.19

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 11:17:15 UTC

Technical Analysis

This vulnerability in Oracle Helidon (component: Imperative Web Server) is easily exploitable remotely without authentication. Successful exploitation grants unauthorized read and write access to certain data accessible through Helidon, impacting confidentiality and integrity with a CVSS 3.1 base score of 7.2. The affected versions are 3.0.0 through 3.2.19 inclusive. The vulnerability may also affect additional products due to scope change. Oracle's August 2026 Critical Security Patch Update addresses this issue among 943 other patches.

Potential Impact

An unauthenticated attacker with network access via HTTP can compromise Helidon, gaining unauthorized read access to some data and unauthorized update, insert, or delete access to other data. This compromises confidentiality and integrity of Helidon accessible data but does not affect availability. The vulnerability's scope change indicates potential impact on other Oracle products integrating Helidon.

Mitigation Recommendations

Oracle has released a Critical Security Patch Update in August 2026 that includes fixes for this vulnerability. Customers are strongly advised to apply the available patches promptly and remain on actively supported versions. No additional mitigation steps are indicated beyond applying the official patches.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-13T18:41:45.882Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]

Threat ID: 6a84ccdfc6e8be0332c39465

Added to database: 08/18/2026, 21:21:35 UTC

Last enriched: 09/11/2026, 11:17:15 UTC

Last updated: 10/02/2026, 02:46:06 UTC

Views: 25

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