medium4.9
CVE-2026-105646
Ghost: Regular Expression Denial of Service in Content Import
Impact
Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, a crafted content import file could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | ghost | >= 4.0.0, < 6.67.0 | 6.67.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-fwh9-qg68-vxp4
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-fwh9-qg68-vxp4
- https://nvd.nist.gov/vuln/detail/CVE-2026-105646
- https://github.com/TryGhost/Ghost/pull/31058
- https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce
- https://github.com/TryGhost/Ghost/releases/tag/v6.66.0