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Public proof of conceptFix available

CVE-2026-29053

Ghost Vulnerable to Remote Code Execution via Malicious Themes

A public proof of concept exists; no exploitation attested.

  • Published2026-03-05
  • Fixed in6.19.1
  • WeaknessCWE-74

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-03-0506:16CVE publishedNVD
  2. 2026-09-02Exploit-DB entryExploit-DB

Versions per branch

NVD · OSV
Ghost
BranchAffectedFixed in
6.19≥ 0.7.2, < 6.19.16.19.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • TryGhost Ghost
    Affected
    • = >= 0.7.2, < 6.19.1no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-03-05

Fix

  1. Update Ghost to 6.19.1

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-52676
Exploit-DB
Proof of concept
Metasploit modules
1 moduleexploit/multi/http/ghostcms_auth_rce_cve_2026_29053rank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-03-05
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-cgc2-rcrh-qr5x

Frequently asked questions

What is CVE-2026-29053?

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.

Is CVE-2026-29053 actively exploited?

Active exploitation of CVE-2026-29053 has not been confirmed. Its EPSS score was 4.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-29053?

CVE-2026-29053 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record