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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 version 3.2.19 that allows an unauthenticated attacker with network access via HTTP to compromise the product. Exploitation can lead to unauthorized update, insert, or delete operations on some Helidon accessible data, as well as unauthorized read access to a subset of that data. The vulnerability has a CVSS 3.1 base score of 7.2, indicating significant confidentiality and integrity impacts. While the flaw is in Helidon, attacks may also affect additional Oracle products due to scope change. Oracle has published a Critical Security Patch Update advisory including this vulnerability, but no explicit patch or remediation details are provided in the advisory content.

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

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: 08/18/2026, 22:20:27 UTC

Technical Analysis

This vulnerability affects Oracle Helidon 3.2.19, specifically the Imperative Web Server component. It allows an unauthenticated attacker with network access via HTTP to perform unauthorized data manipulation (update, insert, delete) and unauthorized read access on Helidon accessible data. The vulnerability has a CVSS 3.1 score of 7.2 with vector AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N, indicating it is remotely exploitable without privileges or user interaction, and impacts confidentiality and integrity with a scope change. Oracle's Critical Security Patch Update advisory for August 2026 lists this vulnerability among many others but does not explicitly state patch availability or remediation steps for this specific CVE.

Potential Impact

Successful exploitation can lead to unauthorized modification (update, insert, delete) and unauthorized reading of some data accessible through Helidon, potentially compromising confidentiality and integrity of that data. The vulnerability is exploitable remotely without authentication, increasing risk. Additionally, the impact may extend beyond Helidon to other Oracle products due to scope change. There are no reports of known exploits in the wild at this time.

Mitigation Recommendations

Oracle strongly recommends applying security patches promptly and staying on actively supported versions. The August 2026 Critical Security Patch Update advisory includes this vulnerability, but explicit patch details for Helidon 3.2.19 are not provided in the advisory content. Patch status is not yet confirmed—check the Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html for current remediation guidance and patch availability. Until patches are applied, restrict network access to Helidon services where possible.

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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
Remediation Level
null
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: 08/18/2026, 22:20:27 UTC

Last updated: 08/18/2026, 23:29:14 UTC

Views: 2

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