---
id: CVE-2026-78061
title: A vulnerability was determined in vas3k TaxHacker up to 0.8.2
summary: >-
  A vulnerability was determined in vas3k TaxHacker up to 0.8.2. Impacted is the
  function buildImapConfig of the file lib/email-sync/imap-client.ts of the
  component Email Sync. Executing a manipulation of the argument host/port can
  lead to…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-918
published: '2026-08-23'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T16:10:00.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78061'
references:
  - url: 'https://github.com/vas3k/TaxHacker/'
    label: cna@vuldb.com
  - url: 'https://github.com/vas3k/TaxHacker/issues/148'
    label: cna@vuldb.com
  - url: 'https://github.com/vas3k/TaxHacker/pull/170'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-78061'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/881825'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/394301'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/394301/cti'
    label: cna@vuldb.com
  - url: 'https://github.com/vas3k/TaxHacker/issues/148'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00366
epssPercentile: 0.2849
ingestedAt: '2026-10-12T16:57:59.890Z'
---

## Overview

A vulnerability was determined in vas3k TaxHacker up to 0.8.2. Impacted is the function buildImapConfig of the file lib/email-sync/imap-client.ts of the component Email Sync. Executing a manipulation of the argument host/port can lead to server-side request forgery. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.

## Remediation

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