{"action":"Upgrade ghost to 6.21.2 or later.","affected":[{"fixed":"6.21.2","introduced":"6.0.9"}],"component":"ghost","cve_ids":["CVE-2026-53945"],"ecosystem":"npm","epss":0.00214,"exploited":false,"fixed_versions":["6.21.2"],"ghsa_id":"GHSA-ch52-px8q-f22j","id":"tcs_01M5KFJSMG1TSA4WK4VCPTN000","modified_at":"2026-08-04T21:30:19.786434635Z","published_at":"2026-08-04T21:24:12Z","references":["https://osv.dev/vulnerability/GHSA-ch52-px8q-f22j","https://github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j","https://nvd.nist.gov/vuln/detail/CVE-2026-53945","https://github.com/TryGhost/Ghost/pull/26754","https://github.com/TryGhost/Ghost/commit/07d604100eb3df5c9b382fce6232928c96329448","https://github.com/TryGhost/Ghost","https://github.com/TryGhost/Ghost/releases/tag/v6.21.1"],"severity":{"label":"medium","score":4},"sources":[{"source":"osv","source_id":"GHSA-ch52-px8q-f22j","url":"https://osv.dev/vulnerability/GHSA-ch52-px8q-f22j"}],"summary":"Ghost: Server-side request forgery via DNS rebinding in external request handling"}