Vulnerability · Published Oct 14, 2026 · Assigned by HITVAN

CVE-2026-108336Token Signing Key Allows Unauthenticated Administrative Access

Critical 9.1

In plain English

A critical-severity security flaw in Remot Ops Agent from Hitachi Vantara. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 4.0)9.1Critical
Exploit odds (30 days)0.2%top 87.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Hitachi Vantara Remot Ops Agent 1.60 – through 2.0

Weakness: CWE-321 · 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

References