---
id: CVE-2026-53988
title: >-
  Dockhand before 1.0.40 contains an authentication bypass vulnerability in its
  git webhook endpoints that allows unauthenticated remote attackers to trigger
  arbitrary stack redeployments by exploiting a null webhook secret guard
  condition…
summary: >-
  Dockhand before 1.0.40 contains an authentication bypass vulnerability in its
  git webhook endpoints that allows unauthenticated remote attackers to trigger
  arbitrary stack redeployments by exploiting a null webhook secret guard
  condition…
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-306
vendor: Finsys
product: dockhand
affected:
  - dockhand < 1.0.40
published: '2026-09-29'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T20:17:20.403'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53988'
references:
  - url: 'https://github.com/Finsys/dockhand/releases/tag/v1.0.40'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/dockhand-unauthenticated-webhook-trigger-via-git-webhook-endpoints
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-29T20:46:06.445Z'
---

## Overview

Dockhand before 1.0.40 contains an authentication bypass vulnerability in its git webhook endpoints that allows unauthenticated remote attackers to trigger arbitrary stack redeployments by exploiting a null webhook secret guard condition. Attackers can enumerate sequential stack IDs and send unsigned webhook requests to force git clone and docker compose operations, enabling denial of service or, when combined with write access to the tracked git branch, container escape and full host compromise via attacker-controlled docker-compose.yml with privileged bind mounts.

## Remediation

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