CVE-2026-108336

Token Signing Key Allows Unauthenticated Administrative Access

Published Oct 14, 2026 CVSS 4.0 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
When the default self-signed certificate is used, an attacker could gain administrative access to the application.



The SSL certificate for the web interface is used to sign JWT access tokens that are used to validate that the user is logged in. When the default SSL certificate is used, an attacker could have the capability to sign JWT access tokens and bypass login.



An attacker could gain administrative access to the application and perform actions like configuring the service or requesting log collection. Device credentials and customer data cannot be accessed with this vulnerability.

Remediation

Vendor Solution

Replace the default self-signed certificate for the web interface with a different one. This vulnerability is addressed in Remote Ops Agent version 2.1.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hitachi
Hitachi vantara Remote Ops Agent
Vendors & Products Hitachi
Hitachi vantara Remote Ops Agent
Type Values Removed Values Added
Description When the default self-signed certificate is used, an attacker could gain administrative access to the application. The SSL certificate for the web interface is used to sign JWT access tokens that are used to validate that the user is logged in. When the default SSL certificate is used, an attacker could have the capability to sign JWT access tokens and bypass login. An attacker could gain administrative access to the application and perform actions like configuring the service or requesting log collection. Device credentials and customer data cannot be accessed with this vulnerability.
Title Token Signing Key Allows Unauthenticated Administrative Access
Weaknesses CWE-321
References
Metrics cvssV4_0

{'score': 9.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
HITVAN
Published
Updated
Oct 16, 2026, 6:26 PM
Reserved
Oct 9, 2026, 7:44 PM
Status
Deferred
Published
Oct 14, 2026, 10:17 PM
Modified
Oct 16, 2026, 8:04 PM