Skip to content
Heist/ feed
Medium

Ghostfolio - Unauthorized Portfolio Holding Tag Modification via Missing Permission Check

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-59709

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-59709

Ghostfolio

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Ghostfolio",
    "product": "Ghostfolio",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "git",
        "lessThanOrEqual": "3.6.0"
      }
    ],
    "packageURL": "pkg:github/ghostfolio/ghostfolio",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-59709

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#893 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement