Security Advisory

CVE-2026-59709

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-07 14:12:23

Last updated 2026-07-20 17:46:02

Assigner VulnCheck

CVSS score 5.3

State PUBLISHED

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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