---
id: CVE-2025-61985
title: >-
  ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI,
  potentially leading to code execution when a ProxyCommand is used.
summary: >-
  ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI,
  potentially leading to code execution when a ProxyCommand is used.
severity: low
cvss: 3.6
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-158
vendor: OpenBSD
product: OpenSSH
affected:
  - OpenSSH < 10.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-10-06T18:33:49.712677Z'
published: '2025-10-06'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T08:43:02.526Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-61985'
references:
  - url: 'https://www.openwall.com/lists/oss-security/2025/10/06/1'
  - url: 'https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2'
  - url: 'https://www.openssh.com/releasenotes.html#10.1p1'
tags:
  - cve.org
epss: 0.00122
epssPercentile: 0.02311
ingestedAt: '2026-09-08T15:33:26.996Z'
---

## Overview

ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.

## Affected

- `OpenSSH < 10.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.