CVE-2026-101580 Details
Description
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-jwt). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. 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 read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).
A vulnerability exists in the Helidon component of Oracle Fusion Middleware, specifically in the helidon-security-providers-jwt module. This issue affects versions 4.0.0 through 4.5.5, as well as version 27.0.0. The vulnerability allows an unauthenticated attacker with network access via HTTP to compromise Helidon. Although the issue is contained within Helidon, it has the potential to significantly impact other products, leading to a scope change. Exploitation of this vulnerability could result in unauthorized read access to certain data accessible within Helidon.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 20, 2026CISA-ADP
Assessed Nov 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html | [email protected] | AdvisoryBundleRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Oracle Helidon | >= 4.0.0, <= 4.5.5 (semver) 27.0.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 6, 2026 | CVE Modified | CISA-ADP |
| Oct 20, 2026 | New CVE Received | [email protected] |