CVE-2026-29053

Name: CVE-2026-29053
Creator: NVD / NIST
Published: 2026-03-05T06:16:50.41+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2026-29053 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.37%

29.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Ghost	Ghost	>= 0.7.2, < 6.19.1

References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-cgc2-rcrh-qr5xVendor Advisory

Timeline

Published: Mar 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-29053?

How severe is CVE-2026-29053?

CVE-2026-29053 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2026-29053?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-29053?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST