Critical severity · published Oct 14, 2026
CVE-2026-108336
Token Signing Key Allows Unauthenticated Administrative Access
9.1
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Remot Ops Agent · Hitachi Vantara
1.60 through 2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108336
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108336
knowledge.hitachivantara.com
https://knowledge.hitachivantara.com/portal/app/portlets/results/viewsolution.jsp?solutionid=261012131624707&guest=0
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