---
id: CVE-2026-59708
title: >-
  The GET /api/v1/public/:accessId/portfolio endpoint in ghostfolio accepts
  private access IDs without validating granteeUserId filtering, allowing
  unauthenticated access to full portfolio data
summary: >-
  The GET /api/v1/public/:accessId/portfolio endpoint in ghostfolio accepts
  private access IDs without validating granteeUserId filtering, allowing
  unauthenticated access to full portfolio data. Attackers with a private access
  ID can retri…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-862
vendor: ghostfolio
product: ghostfolio
affected:
  - ghostfolio <= 3.6.0
published: '2026-07-07'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T18:16:54.670'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59708'
references:
  - url: 'https://github.com/ghostfolio/ghostfolio'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/ghostfolio/ghostfolio/commit/697ef59e3b58bebc5c21a9e482e4f5643390f316
    label: disclosure@vulncheck.com
  - url: 'https://github.com/ghostfolio/ghostfolio/issues/7197'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ghostfolio-unauthorized-portfolio-data-exposure-via-public-endpoint
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-07-08T13:43:37.879668Z'
epss: 0.00593
epssPercentile: 0.46012
ingestedAt: '2026-09-17T18:25:15.975Z'
---

## Overview

The GET /api/v1/public/:accessId/portfolio endpoint in ghostfolio accepts private access IDs without validating granteeUserId filtering, allowing unauthenticated access to full portfolio data. Attackers with a private access ID can retrieve sensitive portfolio information including holdings, quantities, buy prices, and performance metrics without authentication.

## Remediation

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