Vulnerability · Published Jul 7, 2026 · Assigned by VulnCheck

CVE-2026-59708Ghostfolio - Unauthorized Portfolio Data Exposure via Public Endpoint

High 7.5

In plain English

A high-severity missing authorization in ghostfolio from ghostfolio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.6%top 51.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
ghostfolio	ghostfolio	0 – through 3.6.0

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

GitHub Issue issue-tracking
Product product
Patch Commit patch
https://www.vulncheck.com/advisories/ghostfolio-unauthorized-portfolio-data-exposure-via-public-endpoint third-party-advisory