CVE-2026-59708 PUBLISHED

Ghostfolio - Unauthorized Portfolio Data Exposure via Public Endpoint

Assigner: VulnCheck
Reserved: 06.07.2026 Published: 07.07.2026 Updated: 08.07.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	ghostfolio
Product	ghostfolio
Versions	Default: unaffected affected from 0 to 3.6.0 (incl.) affected from 0 to 697ef59 (incl.)

CVE-2026-59708 PUBLISHED

Ghostfolio - Unauthorized Portfolio Data Exposure via Public Endpoint

Metrics

Product Status

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Problem Types