CVE-2026-70590

MEDIUM 4.8

Ghost: Blind Password Hash Disclosure in Ghost Admin API

CVSS Score

4.8

EPSS Score

0.0%

EPSS Percentile

0th

Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack. This issue is fixed in version 6.54.1.

CWE	CWE-200
Vendor	tryghost
Product	ghost
Published	Aug 4, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

Affected Versions

TryGhost / Ghost

< 6.54.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/TryGhost/Ghost/security/advisories/GHSA-jm22-3w23-5q7w github.com: https://github.com/TryGhost/Ghost/pull/29628 github.com: https://github.com/TryGhost/Ghost/commit/63c31fad7e473caa62d8fbb4651a04a2a62b5d00 github.com: https://github.com/TryGhost/Ghost/releases/tag/v6.54.1