medium4.9
CVE-2026-105645
Ghost: Regular Expression Denial of Service in External Media Inliner
Impact
Ghost is a Node.js content management system. From 5.37.0 until 6.67.0, a crafted request to the external media inliner 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 | >= 5.37.0, < 6.67.0 | 6.67.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-9m4w-fmjw-fvjq
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-9m4w-fmjw-fvjq
- https://nvd.nist.gov/vuln/detail/CVE-2026-105645
- https://github.com/TryGhost/Ghost/issues/31058
- https://github.com/TryGhost/Ghost/pull/31058
- https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce
- https://github.com/TryGhost/Ghost/releases/tag/v6.66.0