CVE-2026-29053: Ghost is a Node.js content management system

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HIGH 7.6UPGRADE

CVE-2026-29053 is a high-severity flaw (CVSS 7.6) affecting ghost. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.6 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	Required
EPSS exploit chance	4.8% (top 8%)
CISA exploited list	No
Weakness	CWE-74
Published	2026-03-05
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: ghost

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-05 06:16 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

ghost ghost UPGRADE

Affected: >= 0.7.2 and < 6.19.1

Fixed in: 6.19.1

Safe to downgrade to: a release before 0.7.2

1. Check installed version

npm ls ghost

2. UPGRADE to 6.19.1

npm install ghost@">=6.19.1"

3. If no update is available yet, DOWNGRADE to a release before 0.7.2

npm view ghost versions npm install ghost@"<0.7.2"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

npm · ghost · FIXED · 6.19.1 · vulnerable: >= 0.7.2, <= 6.19.0 · source

npm install ghost@">=6.19.1" npm ls ghost

Fedora ELN · openldap · FIXED · 2.6.16-1.eln159 · FEDORA-2026-4b30c86326 · source

sudo dnf upgrade --advisory=FEDORA-2026-4b30c86326

Fedora 46 · php-pecl-yac · FIXED · 3.0.1-2.fc46 · FEDORA-2026-5f43289aa2 · source

sudo dnf upgrade --advisory=FEDORA-2026-5f43289aa2

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: rootxran/CVE-2026-29053 (1 stars)
GitHub PoC: AC8999/CVE-2026-29053 (1 stars)
Exploit-DB: Ghost_CMS 6.19.0 - Remote Code Execution
Metasploit: Ghost CMS Remote Code Execution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-29053?

ghost: upgrade to 6.19.1. Exact commands for each OS are on this page.

Is CVE-2026-29053 being exploited?

CVE-2026-29053 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-29053 affect?

CVE-2026-29053 affects ghost. Severity is high (CVSS 7.6). 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.

How urgent is CVE-2026-29053?

Priority 55/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

Node.js vulnerabilities

Related CVEs

CVE-2026-29784 HIGH 7.5 UPGRADE Ghost is a Node.js content management system
CVE-2026-26980 CRITICAL 9.4 UPGRADE Ghost is a Node.js content management system
CVE-2026-24778 HIGH 8.8 UPGRADE UPGRADE Ghost is an open source content management system
CVE-2024-43409 MEDIUM 6.5 UPGRADE Ghost is a Node.js content management system

References

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