CVE-2026-70589 | BDVDB-2026-355257 Detail

TryGhostGhost

Description#

Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.

Impact#

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

Weaknesses#

CWE-20 Improper Input Validation

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

4.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 19.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

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

Affected Systems

Vulnerable
>= 4.22.0, < 6.54.1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.8 Medium

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

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

CVSS v3.0

Not available

CVSS v2

Not available

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