Vulnerability · Published Oct 1, 2025 · Assigned by GitHub_M

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

Critical 9.2

In plain English

A critical-severity improper access control in Termix from LukeGus. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.5% (higher than 92% of all known vulnerabilities).

Severity (CVSS 4.0)9.2Critical

Exploit odds (30 days)4.5%top 8.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
LukeGus	Termix	< 1.6.0

Weakness: CWE-348, CWE-284 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N

References

https://github.com/LukeGus/Termix/security/advisories/GHSA-92cw-877q-6r94 x_refsource_CONFIRM
https://github.com/LukeGus/Termix/pull/221 x_refsource_MISC