Ghostfolio - Unauthorized Portfolio Data Exposure via Public Endpoint
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ghostfolio | ghostfolio | up to 3.6.0 | — | No fix listed | CNA |
- ghostfolio Vendorghostfolio Affected up to 3.6.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-59708
- 2026-10-03 Alias added: GHSA-fqj2-r74g-4gfp
References
Patch 1
Other 2
More ghostfolio vulnerabilities
- TI-2026-34718 Ghostfolio has a Stripe subscription bypass CVSS 3.1MEDIUM 6.5
- TI-2026-42582 Ghostfolio - Unauthorized Portfolio Holding Tag Modification via Missing Permission Check CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-59708 · CVE Program
- CVE-2026-59708 · NVD
- FIRST EPSS
- GHSA-fqj2-r74g-4gfp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences