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

High 8.7 Published Updated

Unauthenticated attackers with a private access ID can retrieve sensitive portfolio data due to missing authorization checks on a public endpoint.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-59708?

CVE-2026-59708 is a high-severity missing authorization vulnerability in ghostfolio, published on 7 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-59708?

How do I fix CVE-2026-59708?

No fix has been published for CVE-2026-59708 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-59708 being exploited?

There is no known exploitation of CVE-2026-59708 in the wild and no public exploit code.

Sources

Also known as GHSA-fqj2-r74g-4gfp.

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