{"id":"BIT-ghost-2026-103291","summary":"Ghost 3.20.2 before 6.51.0 SSRF via image-size fetch","details":"Ghost versions from 3.20.2 before 6.51.0 contain a server-side request forgery vulnerability in image dimension refetching that allows authenticated staff users to trigger outbound HTTP requests to arbitrary URLs. Attackers can point image cards at attacker-controlled hosts or internal network endpoints to access metadata services and internal resources unavailable from the public internet.","aliases":["CVE-2026-103291","GHSA-rrq6-9r3c-7w26"],"modified":"2026-10-09T12:10:42.611783549Z","published":"2026-10-09T10:45:11.140Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-rrq6-9r3c-7w26"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103291"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/ghost-3.20.2-before-6.51.0-ssrf-via-image-size-fetch"}],"affected":[{"package":{"name":"ghost","ecosystem":"Bitnami","purl":"pkg:bitnami/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.20.2"},{"fixed":"6.51.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/ghost/BIT-ghost-2026-103291.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/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"}]}],"schema_version":"1.9.0"}