{"id":"CVE-2026-103290","aliases":["BIT-ghost-2026-103290","BIT-ghost-2026-105683","EUVD-2026-90683","GHSA-83rp-q473-j88c","GHSA-phq3-mc75-42c3"],"status":"published","title":"Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize","description":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00275,"percentile":0.20091,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-35"],"published":"2026-10-01T10:42:23Z","modified":"2026-10-28T02:31:09Z","affected":[{"source":"osv","ecosystem":"Bitnami","package":"ghost","ranges":[{"type":"SEMVER","events":[{"introduced":"6.14.0"},{"fixed":"6.27.0"}]}],"bundled":2},{"source":"osv","ecosystem":"Bitnami","package":"ghost","ranges":[{"type":"SEMVER","events":[{"introduced":"6.14.0"},{"fixed":"6.27.0"}]}],"bundled":2},{"source":"osv","ecosystem":"npm","package":"ghost","ranges":[{"type":"SEMVER","events":[{"introduced":"6.14.0"},{"fixed":"6.27.0"}]}],"bundled":2}],"products":[{"vendor":"tryghost","product":"ghost"}],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c","tags":["vendor-advisory","web","advisory"]},{"url":"https://www.vulncheck.com/advisories/ghost-6.14.0-before-6.27.0-path-traversal-via-imagesize","tags":["third-party-advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103290","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-phq3-mc75-42c3"},{"url":"https://github.com/TryGhost/Ghost/commit/770d438fd9d352bbfccbe81dd890580a1d3fd6f0","tags":["web","fix"]},{"url":"https://github.com/TryGhost/Ghost/pull/27217","tags":["web","fix"]},{"url":"https://github.com/TryGhost/Ghost/releases/tag/v6.27.0","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105683","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103290.json","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105683.json","tags":["advisory"]},{"url":"https://github.com/TryGhost/Ghost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-103290","title":"Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize","description":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.","status":"published","published":"2026-10-01T10:42:23.87Z","modified":"2026-10-01T14:37:50.738Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-90683","description":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.","status":"published","published":"2026-10-01T10:42:23Z","modified":"2026-10-01T14:37:50Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:46.15359Z"}],"ghsa":[{"id":"GHSA-phq3-mc75-42c3","title":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in...","description":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.","status":"published","published":"2026-10-01T12:31:19Z","modified":"2026-10-01T12:31:23Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T15:12:40.571849Z"}],"nvd":[{"id":"CVE-2026-103290","description":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.","status":"published","published":"2026-10-01T11:17:25.52Z","modified":"2026-10-01T15:17:27.367Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T14:12:53.097633Z"}],"osv":[{"id":"CVE-2026-103290","title":"Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize","description":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.","status":"published","published":"2026-10-01T10:42:23.87Z","modified":"2026-10-28T02:31:09.791040353Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T15:44:54.236592Z"},{"id":"CVE-2026-105683","title":"Ghost: Path Traversal Vulnerability in Ghost ImageSize Service","description":"Ghost is a Node.js content management system. From 6.14.0 until 6.27.0, an input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server. This issue is fixed in version 6.27.0.","status":"published","published":"2026-10-05T19:31:28.855Z","modified":"2026-10-28T02:30:29.100489678Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T15:44:54.583213Z"},{"id":"GHSA-83rp-q473-j88c","title":"Ghost: Path Traversal Vulnerability in Ghost ImageSize Service","description":"### Impact\n\nAn input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v6.14.0 up to v6.27.0.\n\n### Patches\n\nv6.27.0 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n\n### References\n\nGhost thanks [l3tchupkt](https://github.com/l3tchupkt) and krn0@bugcrowdninja.com for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","status":"published","published":"2026-10-07T16:17:54Z","modified":"2026-10-13T08:25:41.547726878Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T15:46:41.732368Z"},{"id":"BIT-ghost-2026-103290","title":"Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize","description":"Ghost versions 6.14.0 through versions prior to 6.27.0 contain a path traversal vulnerability in the ImageSize service. Insufficient input validation of user-supplied file paths may allow authenticated staff users to access local files outside the intended data storage directories on the server.","status":"published","published":"2026-10-09T10:45:10.141Z","modified":"2026-10-13T08:25:41.547726878Z","updated_at":"2026-11-02T15:28:29.999658Z"},{"id":"BIT-ghost-2026-105683","title":"Ghost: Path Traversal Vulnerability in Ghost ImageSize Service","description":"Ghost is a Node.js content management system. From 6.14.0 until 6.27.0, an input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server. This issue is fixed in version 6.27.0.","status":"published","published":"2026-10-13T06:50:37.309Z","modified":"2026-10-13T08:25:41.547726878Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}