PT-2026-23004 · Ghost · Ghost

Cristianstaicu · Published 2026-03-03 · Updated 2026-04-24 · CVE-2026-29053

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Ghost versions 0.7.2 through 6.19.0

Description Ghost, a Node.js content management system, is affected by a code execution issue. Maliciously crafted themes can execute arbitrary code on the server. It is recommended to avoid installing untrusted themes. If a malicious theme has already been installed, uninstall it and inspect it to understand its impact.

Recommendations Update to version 6.19.1 or later. Uninstall any malicious themes. Inspect installed themes for potential impact.

Exploit

Fix

RCE

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

BIT-GHOST-2026-29053

CVE-2026-29053

GHSA-CGC2-RCRH-QR5X

Affected Products

Ghost

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29053.json · Exploit
• https://github.com/TryGhost/Ghost/security/advisories/GHSA-cgc2-rcrh-qr5x · Vendor Advisory
• https://osv.dev/vulnerability/BIT-ghost-2026-29053 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-29053 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-29053 · Security Note
• https://osv.dev/vulnerability/GHSA-cgc2-rcrh-qr5x · Vendor Advisory
• https://github.com/TryGhost/Ghost · Note
• https://twitter.com/CVEnew/status/2030755406100770851 · Twitter Post
• https://t.me/CVEtracker/46415 · Telegram Post
• https://twitter.com/pulsepatchio/status/2030652840604254379 · Twitter Post
• https://twitter.com/dailycve/status/2047466800510546170 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2029569301909225676 · Twitter Post