Vulnerability DatabaseCVE-2026-101573
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CVE-2026-101573
Published:October 20, 2026
Updated:November 13, 2026
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-http-auth). Supported versions that are affected are 3.0.0-3.2.21, 4.0.0-4.5.5 and 27.0.0. Difficult to exploit 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 access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N).
Affected Packages
https://github.com/helidon-io/helidon.git (GITHUB):
Affected version(s) >=4.0.0-ALPHA1 <4.5.6 || >=4.0.0-M1 <4.5.6 || >=4.0.0-RC1 <4.5.6 || >=4.0.0 <4.5.6
Fix Suggestion:
Update to version 4.5.6
https://github.com/helidon-io/helidon.git (GITHUB):
Affected version(s) >=3.0.0-M1 <3.2.22 || >=3.0.0-RC1 <3.2.22 || >=3.0.0 <3.2.22
Fix Suggestion:
Update to version 3.2.22
https://github.com/helidon-io/helidon.git (GITHUB):
Affected version(s) =27.0.0-M1 <27.0.1 || =27.0.0 <27.0.1
Fix Suggestion:
Update to version 27.0.1
io.helidon.security.providers:helidon-security-providers-http-auth (JAVA):
Affected version(s) >=2.0.0 <3.2.22 || >=3.0.0-M1 <3.2.22 || >=2.0.0-M1 <3.2.22 || >=3.0.0-RC1 <3.2.22 || >=2.0.0-RC1 <3.2.22 || >=1.0.0 <3.2.22 || >=3.0.0 <3.2.22 || >=0.11.0 <3.2.22
Fix Suggestion:
Update to version 3.2.22
io.helidon.security.providers:helidon-security-providers-http-auth (JAVA):
Affected version(s) =27.0.0-M1 <27.0.1 || =27.0.0 <27.0.1
Fix Suggestion:
Update to version 27.0.1
io.helidon.security.providers:helidon-security-providers-http-auth (JAVA):
Affected version(s) >=4.0.0 <4.5.6 || >=4.0.0-ALPHA1 <4.5.6 || >=4.0.0-RC1 <4.5.6 || >=4.0.0-M1 <4.5.6
Fix Suggestion:
Update to version 4.5.6
Related Resources (1)
https://www.oracle.com/security-alerts/cpuoct2026.html
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CVSS v4
Base Score:
8.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Access Control
CWE-284
EPSS
Base Score:
0.24