CVE-2026-45746

CRITICAL

Termix Vulnerable to Arbitrary Command Execution via Session Hijacking

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-45746. PoCs published by GabrielHA12.

AI-analyzed exploit summary Technical analysis of CVE-2026-45746, a session hijacking vulnerability in Termix (web-based SSH management platform) due to improper session validation. Attackers can manipulate the sequential `sessionId` parameter to gain unauthorized access to other users' SSH sessions, enabling RCE when chained with CVE-2026-45750.

Description

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to version 2.3.2, the File Manager functionality in Termix contains a critical Broken Access Control vulnerability due to improper validation of the sessionId parameter. The backend trusts a client-controlled identifier without verifying that it belongs to the authenticated user. This allows an attacker to manipulate the value and access active File Manager sessions belonging to other users. Since these sessions are tied to SSH connections to remote VPS instances, exploitation allows unauthorized interaction with another user's remote filesystem. Because the File Manager exposes functionality such as file reading, writing, uploading, and execution, this vulnerability enables direct command execution on another user's VPS (RCE). Version 2.3.2 patches the issue.

Exploits (1)

nomisec WRITEUP
by GabrielHA12 · poc
https://github.com/GabrielHA12/Termix-research

Technical analysis of CVE-2026-45746, a session hijacking vulnerability in Termix (web-based SSH management platform) due to improper session validation. Attackers can manipulate the sequential `sessionId` parameter to gain unauthorized access to other users' SSH sessions, enabling RCE when chained with CVE-2026-45750.

Classification
Writeup 98%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Termix v2.3.1 and earlier
Auth required
Prerequisites: Authenticated access to Termix · Knowledge of target user's session ID (sequential)
mistral-large-3 · analyzed Jul 30, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 9.0
EPSS 0.0039
EPSS Percentile 31.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-284 CWE-639
Status published
Products (2)
termix/termix 2.1.0 - 2.3.2
Termix-SSH/Termix < 2.3.2
Published Jun 05, 2026
Tracked Since Jun 06, 2026