{"id":"CVE-2026-59708","title":"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","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 retri…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-862"],"vendor":"ghostfolio","product":"ghostfolio","affected":["ghostfolio <= 3.6.0"],"published":"2026-07-07","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:16:54.670","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-59708","references":[{"url":"https://github.com/ghostfolio/ghostfolio","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ghostfolio/ghostfolio/commit/697ef59e3b58bebc5c21a9e482e4f5643390f316","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ghostfolio/ghostfolio/issues/7197","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ghostfolio-unauthorized-portfolio-data-exposure-via-public-endpoint","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-08T13:43:37.879668Z"},"epss":0.00593,"epssPercentile":0.47053,"ingestedAt":"2026-09-17T18:25:15.975Z","slug":"CVE-2026-59708","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}