CVE-2026-108336 Token Signing Key Allows Unauthenticated Administrative Access
Attackers can gain administrative access by forging JWTs using the default self-signed certificate, bypassing authentication in Hitachi Vantara Remot Ops Agent.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108336?
CVE-2026-108336 is a critical vulnerability in Hitachi Vantara Remot Ops Agent, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-321
Which versions are affected by CVE-2026-108336?
How do I fix CVE-2026-108336?
No fix has been published for CVE-2026-108336 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-108336 being exploited?
There is no known exploitation of CVE-2026-108336 in the wild and no public exploit code.
Sources
Also known as GHSA-3vfx-rq2g-mprf.