CVE-2026-59709

4.3 MEDIUM
Published: July 07, 2026 Modified: July 07, 2026
View on NVD

Description

Ghostfolio's PUT /api/v1/portfolio/holding/:dataSource/:symbol/tags endpoint fails to verify Access.permissions field when processing the Impersonation-Id header, allowing read-only access grantees to modify portfolio holding tags. Attackers with valid read-only share tokens can assign or remove tags on victim holdings, corrupting portfolio categorization and reports.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/ghostfolio/ghostfolio
Source: disclosure@vulncheck.com
https://github.com/ghostfolio/ghostfolio/commit/697ef59e3b58bebc5c21a9e482e4f5643390f316
Source: disclosure@vulncheck.com
https://github.com/ghostfolio/ghostfolio/issues/7196
Source: disclosure@vulncheck.com
https://www.vulncheck.com/advisories/ghostfolio-unauthorized-portfolio-holding-tag-modification-via-missing-permission-check
Source: disclosure@vulncheck.com

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.3 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-862

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