CVE-2026-105646

Published: Oct 5, 2026Modified: Oct 7, 2026Deferred

4.9

Vector

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

Exploitability: 1.2 / Impact: 3.6

Source: security-advisories@github.com (Secondary)

Description

Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, a crafted content import file could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0.

Related CWEs

CWE-1333

Inefficient Regular Expression Complexity

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References (4)

https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce

Source: security-advisories@github.com

https://github.com/TryGhost/Ghost/pull/31058

Source: security-advisories@github.com

https://github.com/TryGhost/Ghost/releases/tag/v6.66.0

Source: security-advisories@github.com

https://github.com/TryGhost/Ghost/security/advisories/GHSA-fwh9-qg68-vxp4

Source: security-advisories@github.com

Timeline

No history available yet.