{"id":"EUVD-2026-39024","enisaUuid":"c598580f-da5a-3acb-bc22-75c2f278c663","description":"Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.","datePublished":"Jun 24, 2026, 6:09:34 PM","dateUpdated":"Jun 25, 2026, 3:38:22 PM","baseScore":4.0,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","references":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j\n","aliases":"CVE-2026-53945\nGHSA-ch52-px8q-f22j\n","assigner":"GitHub_M","epss":0.21,"enisaIdProduct":[{"id":"6790bfed-6e8f-3119-93b8-ab5817d3c949","product":{"name":"Ghost","vendor":{"name":"TryGhost"}},"product_version":"6.0.9, \u003c 6.21.1"}],"enisaIdVendor":[{"id":"db742b5a-9db9-303b-9832-32a8e5970f54","vendor":{"name":"TryGhost"}}],"enisaIdVulnerability":[{"id":"964ea981-cb65-3e39-81f9-d9a4ee2e0d6e","vulnerability":{"id":"GHSA-ch52-px8q-f22j","description":"Ghost: Server-side request forgery via DNS rebinding in external request handling","datePublished":"Aug 4, 2026, 9:24:12 PM","dateUpdated":"Aug 4, 2026, 9:24:12 PM","baseScore":0.0,"references":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53945\nhttps://github.com/TryGhost/Ghost/pull/26754\nhttps://github.com/TryGhost/Ghost/commit/07d604100eb3df5c9b382fce6232928c96329448\nhttps://github.com/TryGhost/Ghost\nhttps://github.com/TryGhost/Ghost/releases/tag/v6.21.1\n","enisa_id":"EUVD-2026-39024\n","aliases":"CVE-2026-53945\nGHSA-ch52-px8q-f22j\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:59:06 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"c0a68ac0-23e4-3de4-9cc7-6bce4d8df38a","vulnerability":{"id":"CVE-2026-53945","description":"Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.","datePublished":"Jun 24, 2026, 6:09:34 PM","dateUpdated":"Jun 25, 2026, 3:38:22 PM","status":"PUBLISHED","baseScore":4.0,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","references":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j\n","enisa_id":"EUVD-2026-39024\n","assigner":"GitHub_M","epss":0.21,"dataProcessed":"Oct 30, 2026, 7:16:47 AM","vulnerabilityProduct":[{"id":"d23d5e31-e616-34ba-b639-92b86ef814ba","product":{"name":"Ghost","vendor":{"name":"TryGhost"}},"product_version":"6.0.9, \u003c 6.21.1"}],"vulnerabilityVendor":[{"id":"40159349-b806-3d79-b49b-84a648c1fa7f","vendor":{"name":"TryGhost"}}]}}],"enisaIdAdvisory":[]}