CVE-2026-59708
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductGhostfolio
PublishedJul 7, 2026
First seenJul 7, 2026
Weakness typeCWE-862Missing authorization
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ghostfolio ghostfolio | v ≤ 3.6.0 | — |
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