---
id: CVE-2026-121448
title: Dockhand before 1.0.54 Path Traversal via Stack Environment Routes
summary: >-
  Dockhand before 1.0.54 contains a path traversal vulnerability that allows
  authenticated users to read, overwrite, and delete .env files outside the
  stacks root by double-encoding the stack name. Attackers can send %252e%252e
  sequences t…
severity: high
cvss: 8.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'
cvssSource: cna
cwe:
  - CWE-22
vendor: Finsys
product: dockhand
affected:
  - dockhand < 1.0.54
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-03T17:48:40.562332Z'
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T18:28:35.014Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121448'
references:
  - url: 'https://github.com/Finsys/dockhand/security/advisories/GHSA-q2vc-4qcx-2vm6'
    label: GitHub Security Advisory (GHSA-q2vc-4qcx-2vm6)
  - url: >-
      https://www.vulncheck.com/advisories/dockhand-before-1.0.54-path-traversal-via-stack-environment-routes
    label: >-
      VulnCheck Advisory: Dockhand before 1.0.54 Path Traversal via Stack
      Environment Routes
tags:
  - cve.org
epss: 0.00478
epssPercentile: 0.41482
ingestedAt: '2026-11-05T20:33:06.353Z'
---

## Overview

Dockhand before 1.0.54 contains a path traversal vulnerability that allows authenticated users to read, overwrite, and delete .env files outside the stacks root by double-encoding the stack name. Attackers can send %252e%252e sequences to /api/stacks/[name]/env/raw to disclose cross-environment secrets, write into protected directories, or poison deployment variables.

## Affected

- `dockhand < 1.0.54`

## Remediation

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