---
title: "CVE-2026-53988: Dockhand - Authentication Bypass"
description: "Dockhand before 1.0.40 contains an authentication bypass caused by a null webhook secret guard condition in git webhook endpoints, letting unauthenticated remote attackers trigger arbitrary stack redeployments, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-53988/
---

# CVE-2026-53988 Dockhand - Authentication Bypass

Dockhand before 1.0.40 contains an authentication bypass caused by a null webhook secret guard condition in git webhook endpoints, letting unauthenticated remote attackers trigger arbitrary stack redeployments, exploit requires no authentication.

CVSS base score 10.0 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-53988)

## Details

Type

Authentication Bypass

Impact

Denial Of Service, Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Published

29 September 2026

Updated

15 October 2026

Weakness

[CWE-306](https://cwe.mitre.org/data/definitions/306.html)

## Vendor fix

Upgrade to version 1.0.40 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-53988](https://nvd.nist.gov/vuln/detail/CVE-2026-53988)
- [https://github.com/Finsys/dockhand/releases/tag/v1.0.40](https://github.com/Finsys/dockhand/releases/tag/v1.0.40)
- [https://www.vulncheck.com/advisories/dockhand-unauthenticated-webhook-trigger-via-git-webhook-endpoints](https://www.vulncheck.com/advisories/dockhand-unauthenticated-webhook-trigger-via-git-webhook-endpoints)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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