{"id":"CVE-2026-103290","summary":"Ghost 6.14.0 before 6.27.0 Path Traversal via ImageSize","details":"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.","aliases":["GHSA-83rp-q473-j88c"],"modified":"2026-10-03T03:31:03.274981281Z","published":"2026-10-01T10:42:23.870Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-35"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103290.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103290.json"},{"type":"ADVISORY","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103290"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/ghost-6.14.0-before-6.27.0-path-traversal-via-imagesize"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tryghost/ghost","events":[{"introduced":"e5a5cde533dfb2c2d8f9b60223b046075b5e4b13"},{"fixed":"2daa6eba775c961ca41f2732b622d9deb86a39ee"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"6.14.0"},{"fixed":"6.27.0"}]}}],"versions":["v6.26.0","v6.25.1","v6.25.0","v6.24.0","v6.23.0","v6.22.1","v6.22.0","v6.21.0","v6.21.2","v6.21.1","v6.20.1","v6.20.0","v6.19.4","v6.19.3","v6.19.2","v6.19.0","v6.19.1","v6.18.2","v6.18.0","v6.17.1","v6.17.0","v6.16.1","v6.16.0","v6.15.0","v6.14.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103290.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}