{"action":"Upgrade ghost to 6.21.2 or later.","affected":[{"fixed":"6.21.2","introduced":"6.19.4"}],"component":"ghost","cve_ids":["CVE-2026-53946"],"ecosystem":"npm","epss":0.00207,"exploited":false,"fixed_versions":["6.21.2"],"ghsa_id":"GHSA-g366-23fw-ggp6","id":"tcs_01M5KFPTQD2C67KVA2JZHPA7RR","modified_at":"2026-08-04T21:30:19.852397409Z","published_at":"2026-08-04T21:25:21Z","references":["https://osv.dev/vulnerability/GHSA-g366-23fw-ggp6","https://github.com/TryGhost/Ghost/security/advisories/GHSA-g366-23fw-ggp6","https://nvd.nist.gov/vuln/detail/CVE-2026-53946","https://github.com/TryGhost/Ghost/pull/26753","https://github.com/TryGhost/Ghost/commit/ba692df7f27162d0440d57487f16c530416a8eb2","https://github.com/TryGhost/Ghost","https://github.com/TryGhost/Ghost/releases/tag/v6.21.1"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-g366-23fw-ggp6","url":"https://osv.dev/vulnerability/GHSA-g366-23fw-ggp6"}],"summary":"Ghost: Mobiledoc image-size fetch SSRF"}