CVE-2026-70596: Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user …
Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hijack another staff user's Ghost Admin session, resulting in privilege escalation. This issue is fixed in 6.54.1.
- Published by source
- 2026-08-05
- First seen by Reality Radar
- 2026-10-24
- Last verified
- 2026-10-24
What the official notice says
Risk: CVSS 4.3
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Sources
- NIST National Vulnerability Database Tier A · official published 2026-08-05
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
| Entry | Kind | Observed | Evidence hash | Entry hash |
|---|---|---|---|---|
| #1531 | new | 2026-10-24 | a9866f406c90…06c0c1 | 571e2d0fa191…a400c3 |
Chain head: #1565 7d9afd922511…68b9c7