CVE-2026-70593 | BDVDB-2026-355261 Detail

TryGhostGhost

Description#

Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact low. Attack vector: network.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

Exploit#

No public exploit known

History#

Version 12026-08-04Record published in the CVE List.
Version 22026-08-05Most recent update recorded in the CVE List.

Published

Published: 2026-08-04
Last modified: 2026-08-05

Vendor information

Vendor: TryGhost
Product: Ghost

All TryGhost vulnerabilities

Score

6.6 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 35.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 0.10.0, < 6.54.1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.6 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	High
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	High
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).