CVE-2026-29053 json
Ghost Vulnerable to Remote Code Execution via Malicious Themes
published 2026-03-03 8 mo ago modified 2026-09-08 2 mo ago also BIT-ghost-2026-29053 , EUVD-2026-9788 , GHSA-cgc2-rcrh-qr5x
- cvss
- 7.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.9%
- EPSS 4.9% chance of exploitation in 30 days, percentile 92%
- public exploits
- 2
- Metasploit, Exploit-DB
Summary
Ghost is a Node.js content management system. From version 0.7.2 to 6.19.0, specifically crafted malicious themes can execute arbitrary code on the server running Ghost. This issue has been patched in version 6.19.1.
Patch / fix
- npm ghost 6.19.1
- bitnami ghost 6.19.1
- ghost ghost 6.19.1
Timeline
- First public exploit (Metasploit exploit/multi/http/ghostcms_auth_rce_cve_2026_29053)
- Published
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 8 mo ago
Exploit prediction
4.90% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/multi/http/ghostcms_auth_rce_cve_2026_29053 Ghost CMS Remote Code Execution metasploit exploit, excellent rank, 2026-03-02
- EDB-52676 Ghost_CMS 6.19.0 - Remote Code Execution webapps, 2026-09-02
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.7 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H |
| GitHub | 3.1 | 7.6 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | ghost | >=0.7.2, <6.19.1 |
6.19.1 |
| bitnami | ghost | >=0.7.2, <6.19.1 |
6.19.1 |
Affected products
- TryGhost Ghost
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
-
github.com
/TryGhost/Ghost/security/advisories/GHSA-cgc2-rcrh-qr5x
web, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-29053
advisory, web
-
github.com
/TryGhost/Ghost
package
Sources
- CVE List CVE-2026-29053
- GitHub Advisory GHSA-cgc2-rcrh-qr5x
- NVD CVE-2026-29053
- OSV BIT-ghost-2026-29053
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.