CVE-2026-29053
Ghost Vulnerable to Remote Code Execution via Malicious Themes
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Ghost Vulnerable to Remote Code Execution via Malicious Themes
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.
- Record
CVE-2026-29053- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
EUVDEUVD-2026-9788
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.
- Record
EUVD-2026-9788- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cgc2-rcrh-qr5x
Ghost Vulnerable to Remote Code Execution via Malicious Themes
Impact
Specifically crafted malicious themes can execute arbitrary code on the server running Ghost.
Vulnerable Versions
This vulnerability is present in Ghost v0.7.2 to v6.19.0.
Patches
v6.19.1 contains a fix for this issue.
Workarounds
Ghost generally recommends users refrain from installing untrusted themes. If a malicious theme has already been installed, it is recommended to uninstall the theme and then inspect it to understand its impact, which will be attack-specific.
References
Ghost thanks Cristian-Alexandru Staicu at Endor Labs for disclosing this vulnerability responsibly.
For more information
If there are any questions or comments about this advisory, email Ghost at [email protected].
- Record
GHSA-cgc2-rcrh-qr5x- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-29053- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
OSV
Ghost Vulnerable to Remote Code Execution via Malicious Themes
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.
- Record
CVE-2026-29053- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
OSVGHSA-cgc2-rcrh-qr5x
Ghost Vulnerable to Remote Code Execution via Malicious Themes
Impact
Specifically crafted malicious themes can execute arbitrary code on the server running Ghost.
Vulnerable Versions
This vulnerability is present in Ghost v0.7.2 to v6.19.0.
Patches
v6.19.1 contains a fix for this issue.
Workarounds
Ghost generally recommends users refrain from installing untrusted themes. If a malicious theme has already been installed, it is recommended to uninstall the theme and then inspect it to understand its impact, which will be attack-specific.
References
Ghost thanks Cristian-Alexandru Staicu at Endor Labs for disclosing this vulnerability responsibly.
For more information
If there are any questions or comments about this advisory, email Ghost at [email protected].
- Record
GHSA-cgc2-rcrh-qr5x- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
OSVBIT-ghost-2026-29053 No score
Ghost Vulnerable to Remote Code Execution via Malicious Themes
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.
- Record
BIT-ghost-2026-29053- Updated
- 2026-11-02
Affected products
Affected packages
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Ghost_CMS 6.19.0 - Remote Code Execution | 2026-09-02 |
| Metasploit | Ghost CMS Remote Code Execution | 2026-03-02 |
| PoC in GitHub | AC8999/CVE-2026-29053 | 2026-04-21 |
| PoC in GitHub | rootxran/CVE-2026-29053 | 2026-03-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-29053 is a high vulnerability (CVSS 7.7) in Ghost, published March 3, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.90%, the 92nd percentile. Fixed in ghost 6.19.1.