CVE-2025-59951 Termix' official Docker image contains an authentication bypass vulnerability

Critical 9.2 Published Updated

Attackers can bypass authentication to access stored SSH credentials in Termix Docker deployments using Nginx reverse proxies.

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-2025-59951?

CVE-2025-59951 is a critical authentication bypass vulnerability in LukeGus Termix, published on 1 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. The official Docker image for Termix versions 1.5.0 and below, due to being configured with an Nginx reverse proxy, causes the backend to retrieve the proxy's IP instead of the client's IP when using the req.ip method. This results in isLocalhost always returning True. Consequently, the /ssh/db/host/internal endpoint can be accessed directly without login or authentication. This endpoint records the system's stored SSH host information, including addresses, usernames, and passwords, posing an extremely high security risk. Users who use the official Termix docker image, build their own image using the official dockerfile, or utilize reverse proxy functionality will be affected by this vulnerability. This issue is fixed in version 1.6.0.

Weakness: CWE-345, CWE-348, CWE-284

Which versions are affected by CVE-2025-59951?

It affects 1 product.

Products include Termix Termix.

How do I fix CVE-2025-59951?

No fix has been published for CVE-2025-59951 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-59951 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-59951 exists.

Sources

Also known as GHSA-92cw-877q-6r94.

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