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CVE-2026-73932: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. in Oracle Corporation Helidon

0
Medium
VulnerabilityCVE-2026-73932cvecve-2026-73932
Published: 08/18/2026 (08/18/2026, 21:04:13 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Helidon

Description

CVE-2026-73932 is a medium severity vulnerability in Oracle Helidon versions 4.0.0 through 4.5.2 and 4.5.3. It allows an unauthenticated attacker with network access via HTTP to cause a partial denial of service (DoS) condition. The vulnerability affects the Imperative Web Server component of Helidon and does not impact confidentiality or integrity. Oracle has included this vulnerability in its August 2026 Critical Security Patch Update, which provides patches for affected versions.

CVSS v3.1

Score 5.3medium

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

Affected software

Oracle Corporation

Helidon

Affected versions
>=4.0.0 <=4.5.2
io.helidon/helidon
pkg:maven/io.helidon/helidon
Affected versions
=4.5.3

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 10:34:26 UTC

Technical Analysis

This vulnerability in Oracle Helidon's Imperative Web Server component allows an unauthenticated attacker with network access over HTTP to cause a partial denial of service. The CVSS 3.1 base score is 5.3, reflecting an availability impact without confidentiality or integrity loss. The affected versions are 4.0.0 through 4.5.2 inclusive, and 4.5.3. Oracle has addressed this vulnerability in its August 2026 Critical Security Patch Update, which contains targeted security fixes for Helidon and other Oracle products.

Potential Impact

Successful exploitation results in unauthorized ability to cause a partial denial of service on Helidon, impacting availability but not confidentiality or integrity. There are no known exploits in the wild at this time.

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 promptly to remediate the issue. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-13T18:41:45.891Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]

Threat ID: 6a84ccf0c6e8be0332c39839

Added to database: 08/18/2026, 21:21:52 UTC

Last enriched: 09/11/2026, 10:34:26 UTC

Last updated: 10/02/2026, 05:34:20 UTC

Views: 72

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