CVE-2026-105645

Ghost: Regular Expression Denial of Service in External Media Inliner

Published Oct 5, 2026 CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
Ghost is a Node.js content management system. From 5.37.0 until 6.67.0, a crafted request to the external media inliner could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-9m4w-fmjw-fvjq Ghost: Regular Expression Denial of Service in External Media Inliner
History
Type Values Removed Values Added
First Time appeared Ghost
Ghost ghost
Vendors & Products Ghost
Ghost ghost
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Ghost is a Node.js content management system. From 5.37.0 until 6.67.0, a crafted request to the external media inliner could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0.
Title Ghost: Regular Expression Denial of Service in External Media Inliner
Weaknesses CWE-1333
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Oct 5, 2026, 7:08 PM
Reserved
Oct 5, 2026, 4:40 PM
Status
Deferred
Published
Oct 5, 2026, 7:17 PM
Modified
Oct 6, 2026, 3:03 PM